New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

Concepts of Science Exam 2

Star Star Star Star Star
1 review
by: kmh0056 Notetaker

Concepts of Science Exam 2 Concepts

Marketplace > Auburn University > Science > Concepts > Concepts of Science Exam 2
kmh0056 Notetaker

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

Concepts of Science Exam #2 chapter outlines, powerpoint notes, and clicker questions
Concepts of Science
Study Guide
Science, concepts, auburn
50 ?




Star Star Star Star Star
1 review
Star Star Star Star Star
"If kmh0056 isn't already a tutor, they should be. Haven't had any of this stuff explained to me as clearly as this was. I appreciate the help!"
Gladys Rohan

Popular in Concepts of Science

Popular in Science

This 22 page Study Guide was uploaded by kmh0056 Notetaker on Wednesday March 2, 2016. The Study Guide belongs to Concepts at Auburn University taught by Landers in Spring 2016. Since its upload, it has received 201 views. For similar materials see Concepts of Science in Science at Auburn University.


Reviews for Concepts of Science Exam 2

Star Star Star Star Star

If kmh0056 isn't already a tutor, they should be. Haven't had any of this stuff explained to me as clearly as this was. I appreciate the help!

-Gladys Rohan


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 03/02/16
Concepts Test 2 (Ch. 5,6,8,10)▯ Ch. 5▯ - Scientific Method ▯ A method for studying the forces▯ • • “first observe a natural phenomena, and learn how they behave, then organize those observations into a series of natural laws, and finally use those to predict future behavior of the physical world.”▯ • reference: Newton’s first law of motion▯ - Static electricity ▯ • electrical charge ▯ - is the physical property of matter that causes the experience a force when placed in an electromagnetic field.▯ - There are two types of electric charges positive and negative▯ • electricity - the force that moves objects toward and away from each other - “electro” from the greek word for amber • static electricity - when the electrical charge doesn't move once it has been placed on an object • electrical force is much more powerful than gravity • Electricians - A group of scientist in Europe and North America in the eighteenth century who started the understanding of the phenomena associated with static electricity and magnetism ▯ • called themselves electricians▯ • fascinated with nature’s unseen forces and were ▯ - Benjamin Franklin and electrical charge▯ • Benjamin Franklin (1706-1790)▯ - the most famous North American “electrician”▯ 1 - one of the pioneers of electrical science/central leader in the founding of the United States of America ▯ - believed that all electrical phenomenas could be explained by the transfer of a single electrical fluid from one object to another while other scientist believed electrical effects were resulted from two different “electrical fluids”▯ • he found that objects could have an excess or a deficiency ▯ - he applied the names “negative” and “positive” to these two situations ▯ - In June 1752 Franklin demonstrated the electrical nature of lightening with the kite experiment ▯ • followed by the invention of the lightening rod (still widely used today) ▯ - Movement of Electrons▯ • there are two different kinds of electrical charges: positive and negative ▯ positive electrical charge:▯ • - when negative electrons are stripped off a material, they no longer cancel the positive charges in the nucleus. The result is a net excess of positive charge in the object, and the object has acquired a positive electrical charge▯ • negative electrical charge:▯ - when extra electrons are added to it▯ - Coulombs Law▯ • force is related to charge and distance▯ • equation:▯ - force(newtons) = k x ((1st charge x 2nd charge) / (distance^2))▯ • a charge of 1 Coulomb equals 6.3 x 10^18 electrons ▯ • Gravity: the force of gravity between the two particles is given by Newton’s law of gravity▯ - force of gravity (in newtons)▯ • = G x [(mass #1(kg) x mass #2(kg)) / distance(m^2)]▯ - Electrical Field▯ 2 • every charged object exerts a forces on its surroundings to create an electrical field ▯ - magnetism: the electrical field is defined as the force that would be felt by another charge if that charge were located at a particular point, so that the field is present even if no other charge is in the region▯ • magnets: the first ones were naturally occurring iron minerals▯ • magnetic force: a force that can be identified and described by the same methods we used to investigate gravity and electricity ▯ • poles: the two ends of a magnet that are given the name north and south and the resulting magnet is called a dipole magnet ▯ • magnetic field: the magnetic effect of electric currents and magnetic materials. The magnetic field at any given point is specified by both a direction and a magnitude (or strength); as such it is a vector field▯ • magnetic navigation▯ - many living things and humans use Earth’s magnetic field for navigation (ex: migratory birds)▯ - Batteries and Electric circles ▯ • electrical current▯ - a flow of charged particles (ex: in your home negatively charged electrons move through wires to run all of your electric appliances▯ • battery▯ - a device that converts stored chemical energy in the battery materials into kinetic energy of electrons running through an outside wire▯ • recharged: running a current backward through the battery, however, runs all the chemical reactions in reverse and restores the original configuration ▯ electric circuit▯ • - an unbroken path of material that carries electricity▯ • electrical conductors: the material that carries the electricity▯ • Ohm’s law▯ - current is directly proportional to voltage and inversely proportional to resistance ▯ 3 - equation: ▯ • V = I x R▯ - load ▯ • in any electric circuit the “business end” - the place where work gets done ▯ • equation: ▯ - P = I x V▯ - flow of electricity ▯ • current▯ - flow rate of electrons ▯ - measured in amp▯ • power▯ - current voltage x voltage▯ • ampere▯ - 1 amp = 1coulomb/sec▯ • voltage▯ - the pressure/power produced by the energy source in a circuit ▯ - measured in volts▯ electrical resistance▯ • - the quantity that measures how hard it is to push electrons through wires ▯ - measured in an unit called ohm▯ - as the resistance increases the lower the efficiency and the easier it is the higher the efficiency ▯ - the science of life▯ • the propagation of nerve signals▯ • axon▯ 4 - the branched filament that carries signals away from the central nerve body and delivers those signals to other cells ▯ • neurotransmitters▯ - a group of molecules that when the signal reaches the axon terminal buttons at the end of one of the filaments it is transferred to the next cell by, which are sprayed out from the end of the “upstream” cell, and received by special structures on the “downstream” cell ▯ - Two kinds of electrical circuits▯ • series circuits▯ - two or more loads are linked along a single loop of wire ▯ • parallell circuits▯ - different loads are situated in different wires ▯ - magnetic effects from electricity▯ • oersted▯ - magnetic field created by electrical charges ▯ • electromagnet▯ - a device composed of a coil of wire that produces a magnetic field whenever an electrical charge runs through the wire▯ • magnetic monopole▯ - do not exist ▯ - arrangement of electrical charges ▯ • Michael Faraday▯ - one of the most honored scientist of the nineteenth century ▯ - discovered many new chemical compounds such as liquid benzene▯ - his most lasting claim to fame was a series of classical experiments through which he discovered a central idea that helped link electricity and magnetism ▯ - electromagnetic induction▯ - electrical fields and currents can be produced by changing magnetic fields ▯ 5 • electromagnetic induction▯ - the loop of wire through which current was running produced a current in the second loop by means of a process ▯ - electric generator or dynamo▯ • a vital tool of modern technology▯ - Maxwell’s Equations: the four fundamental laws of electricity and magnetism (in statement form)▯ • coulombs law: like charges repel, unlike charges attract▯ • there are no magnetic monopoles in nature▯ • magnetic phenomena can be produced by electrical effects▯ • electrical phenomena can be produced by magnetic effects▯ ▯ ch. 6▯ - waves▯ • provide a way to transfer energy fro one place to another through a medium without matter actually traveling across the intervening distance ▯ • every wave can be characterized by a wavelength, a velocity, an amplitude, and a frequency(measured in cycles per second, or hertz)▯ transverse waves: such as swells on the ocean▯ • - occur when the medium moves perpendicular to the direction of the waves ▯ - AM/short wave radio transmission ▯ • longitudinal waves: such as sound▯ - occur when the medium moves in the same direction as the wave▯ - FM radio ▯ • interference▯ - when two waves interact with each other, causing constructive or destructive interference ▯ 6 - destructive interference▯ • cancellation▯ - constructive interference▯ • act together▯ • doppler effect▯ - the observed frequency of a wave depends on the relative motion of the wave’s source and the observer▯ - wave motion is independent of its source▯ - if source moves, frequency appears to change ▯ • waves encountering a surface can be reflected, or they may enter the medium moving in a different direction, a process called refraction ▯ - reflection: the throwing back by a body or surface of light, heat, or sound without absorbing it▯ - refraction: the fact or phenomenon of light, radio waves, etc., being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density▯ - Light and the energy of electromagnetic waves ▯ • James Clerk Maxwell▯ - recognized that simple manipulation of his equations that describe electricity and magnetism pointed to the existence of electromagnetic waves or electromagnetic radiation▯ • electromagnetic wave ▯ - electromagnetic waves continue through internal mechanisms and transfer energy as they travel ▯ • speed of light▯ - all electromagnetic waves have the same velocity▯ • c = 300,000km/s▯ - 186,000 miles per second (speed of light)▯ 7 • energy▯ - higher frequency = blue color▯ - lower frequency = red color▯ - Transmission, Absorption, and Scattering ▯ • transmission▯ - wave passes through matter▯ absorption▯ • - wave and energy are absorbed ▯ • scattering ▯ - waves absorbed and reemitted▯ • diffuse scattering▯ • reflection▯ - Radio Waves and Microwaves▯ • radio waves▯ - range: kilohertz to hundreds of megahertz ▯ - longest waves▯ • microwaves▯ - range: 1mm - 1m▯ - Infrared Radiation▯ • infrared radiation▯ - range: 1mm - 1μ▯ • all warm objects emit radiation▯ - Visible Light▯ • visible light▯ - range 700nm - 400nm▯ • colors▯ 8 - what we perceive as the colors of the rainbow are contained in visible light▯ - slices of electromagnetic spectrum ▯ • electromagnetic spectrum: the range of wavelengths or frequencies over which electromagnetic radiation extends▯ - gamma rays < X-rays < ultraviolet < infrared < microwave < radio▯ - Ultraviolet Radiation▯ • ultraviolet radiation▯ - range: 400nm - 100nm ▯ - shorter wavelength - more energy▯ • damage to cells▯ • fluorescence▯ - the visible or invisible radiation emitted by certain substances as a result of incident radiation of a shorter wavelength such as X-rays or ultraviolet light▯ - X-rays and Gamma Rays▯ • X-rays▯ - electromagnetic radiation of high energy and very short wavelength (between ultraviolet light and gamma rays) that is able to pass through many materials opaque to light▯ - range: 100nm - 0.1nm▯ - high frequency▯ - medicine ▯ • ex: an X-ray machine in a doctors office ▯ • gamma rays▯ - penetrating electromagnetic radiation of shorter wavelength than X-rays▯ –10 –12 - range: 0.1nm (10 m)–10 m▯ - highest frequency▯ - medicine▯ 9 • ex: for cancer treatments▯ - astronomy ▯ • studied in astronomy because many process going on throughout the universe involve bursts of high energy and emission of gamma rays ▯ Ch. 8▯ - The Smallest Pieces ▯ • Democritus (Greek, ca. 460 BC - ca. 370 BC)▯ - cut matter to reach the smallest piece▯ - called “the atom” or “uncuttable”▯ - all material formed from atoms▯ • atoms▯ - the building blocks of our chemical world; combine into groups of two or more; these groups are called molecules▯ - are atoms real?▯ • for thousands of years atoms were thought of as imaginary until studies on Brownian motion in the early twentieth century and thanks to recent technologies the existence of these particles have been confirmed ▯ - Brownian motion: erratic, jiggling, motion▯ • pollen grains suspended in water▯ • evidence for the reality of atoms▯ - behavior of gas, chemical combinations, radioactivity, Brownian motion, X- ray crystallography, atomic-scale microscopy▯ - The Structure of the Atom▯ • Joseph Thomson identified electron (1897)▯ - negatively charged▯ - smaller and lighter than smallest atom▯ - atoms are NOT fundamental building blocks, but are made up of smaller more fundamental particles ▯ 10 • the atomic nucleus▯ - Ernest Rutherford determined atomic structure▯ • atom has nucleus at center surrounded by electrons ▯ - later discoveries found nucleus is composed of protons and neutrons▯ • important terms related to atoms▯ - element▯ a chemical substance that cannot be broken down any further▯ • - atom▯ • the smallest particle that retains its chemical identity ▯ - molecule▯ • a collection of two or more atoms bound together; the smallest unit of substances that has the chemical properties of the substance▯ - electron▯ • an atomic particle with negative charge and low mass▯ - nucleus▯ • the small, massive central part of an atom▯ - proton▯ • positively charges nuclear particle▯ - neutron▯ • electrically neutral nuclear particle▯ - ion▯ • an electrically charged atom ▯ - Elements▯ - about 100 different elements are sufficient enough to form all the solids, liquids, and gases around us▯ - six elements - oxygen, silicon, magnesium, iron, aluminum, and calcium - account for almost 99% of the earth’s solid mass▯ 11 • John Dalton (English, 1766-1844)▯ - father of modern atomic theory▯ - cannot break down elements ▯ - elements composed of atoms▯ • ex: water molecule is 1 oxygen atom and 2 hydrogen atoms▯ - The Behavior of Gas▯ Bernoulli (Dutch-Swiss, 1700-1782)▯ • - atoms have mass and velocity and thus kinetic energy▯ - decreasing volume increases pressure ▯ - increasing temperature increases pressure ▯ - Chemical Combinations▯ • Dalton discovered the law of definite proportions▯ - elements combine in a specific ration of weights▯ • ex: water is 8 parts oxygen to 1 part hydrogen▯ • ration of weights is a small whole number ▯ - ex: 12 lbs carbon can combine with either 16 lbs or 32 lbs of oxygen, but not with 24 lbs of oxygen▯ • implication: some units of elements are fundamentally indivisible ▯ - Radioactivity▯ • radioactivity▯ - discovered in 1896▯ • phosphors flash when hit by radiation▯ 1903 demonstration of the twinning caused by this effect▯ • - Problems with Rutherford’s Model of the Atom▯ • why?▯ - object in circular orbit is accelerating▯ 12 - accelerated electrical charge emits electromagnetic radiation▯ - electrons giving off energy while orbiting▯ • result: electrons spin toward nucleus and eventually atom ceases to exist▯ • Rutherford atom exists < 1 min▯ - Niels Bohr (Danish, 1885-1962)▯ • the Bohr atom▯ - first working model of atom▯ - energy levels for electrons▯ • specific distances from nucleus▯ • electrons exist with no radiation▯ • electrons cannot exist between allowed distances ▯ - energy in Bohr atom▯ • energy required to leave ground state▯ - absorb photon▯ - heat▯ • increases collisions▯ - Photons: Particles of Light▯ photon absorbed▯ • - used to move electron to a higher energy state▯ • photon emitted as electron moves to lower energy state▯ • quantum leap or jump ▯ - electron disappears from original location and reappears in final location, never at positions in between ▯ - Spectroscopy▯ • atoms emit and absorb different photons▯ • depends on differences between energy levels ▯ 13 • each atom has distinct set of photons▯ • spectrum: all photons emitted by an atom▯ - used for identification▯ - Electron energy levels▯ • an electron in the lowest energy level is said to be in the ground state, while all energy levels above the ground state are called excited states▯ - each time an electron changes energy levels, its energy changes▯ - a force over a distance would have to exerted on an electron to move an electron from one allowed energy level to another (thus each energy level of an atom occurs as a series of steps)▯ ground state (r1), excited state (r2), excited state (r3), excited state (r4) ▯ • ▯ Ch. 10▯ - Electron Shells, the Periodic Table, and Chemical Bonds▯ • chemical bond▯ - valence electrons: the electrons in the outer shell of an atom▯ • stable configuration▯ - atoms “want” to fill their outer shell:▯ - this drives chemical reactions, and there are basically three ways to do this:▯ • give electrons▯ • accept electrons▯ • share electrons▯ - Types of Chemical Bonds▯ • Ionic bonds▯ - bond of electrostatic attraction▯ • donate or accept electron(s)▯ • ex: Na and Cl▯ 14 - fiery reaction results in a stable crystal (table salt)▯ - metallic bonds▯ • share electrons▯ • characteristics:▯ - shiny▯ - conduct electricity▯ - malleable▯ - covalent bonds▯ • share electrons▯ - similar to conjoined twins▯ - molecules share▯ - ex:▯ • diatomic gases▯ • carbon and its bonds▯ - carbon:▯ • 4 valence electrons▯ • single bonds▯ double bonds▯ • • triple bonds▯ • backbone of biological macromolecules▯ - polarization and hydrogen bonds▯ • polar molecules: positive ends attract negatives and vice-versa▯ - ex: water▯ • creates hydrogen bond; weak bond▯ - water▯ - important in many biological substances▯ 15 • wood, silk, egg white, DNA▯ - Van der Waals Forces▯ • the van der Waals force named after the Dutch scientist Johannes Diderik van der Waals is the sum of the attractive or repulsive forces between molecules other than those due to covalent bonds, the hydrogen bonds, or the electrostatic interaction of ions with one another or with neutral molecules▯ • weak bonds between molecules▯ - ex: clay, stack of paper▯ Van der Waals forces quickly vanish at longer distances between interacting • molecule▯ - States of Matter▯ • gas▯ - no volume or shape ▯ - expands to fill container▯ • liquid▯ - fixed volume, no shape▯ - surface tension▯ • solids▯ - fixed shape and volume▯ • crystals▯ - regular repeating sequence▯ • glasses▯ - no predictable arrangement▯ polymers▯ • - chains of molecules, plastics▯ • plasma▯ - positive nuclei in sea of electrons▯ 16 - properties:▯ • very hot, electrons stripped off, similar to gases but, can conduct electricity and can be confined by magnetic fields ▯ - Recycling Plastic ▯ • PET▯ - the most common recycled plastic, used for food and beverage containers▯ • HDPE▯ - rigid, narrow-neck containers for detergent and milk; grocery bags▯ • PVC▯ - plastic pipe, outdoor furniture, sturdy containers▯ • LDPE▯ - trash and produce bags, food storage containers▯ • PP▯ - aerosol caps, drinking straws▯ • PS▯ - packing peanuts, cups, plastic tableware▯ - Technology▯ • liquid crystals in your handheld calculator ▯ • electric currents alines crystals ▯ - Chemical reactions and Energy: Rolling Down the Chemical Hill▯ • energy of an electron ▯ - kinetic: moving around the nucleus▯ - potential: distance from the nucleus ▯ • energy changes with bonding ▯ - exothermic: combined energy level of the molecule os lower than that of individual atoms, energy is released▯ 17 - endothermic: combined energy level of the molecule is higher than that of individual atoms, energy needs to be absorbed▯ - Common Chemical Reactions▯ • oxidation▯ - transfer electrons ▯ - 4Fe + 3O ▯ 2Fe O 2 2 3▯ - CH 4 2O ▯C2 + 2H 2▯ 2 - oxidation reaction: forest fire▯ reduction▯ • - accepts electrons▯ - removes oxygen in many cases▯ • acid based reactions▯ - acid produces h+▯ - base produces OH-▯ - pH scale: measures the amount of positive charges in a solution▯ • < 7.0 acid▯ • > 7.0 base▯ - pH of some common substances▯ • stomach acid (1.0-3.0)▯ mean of adirondack lakes, 1975 (4.8)▯ • • normal rainwater (5.6)▯ • mean of Adirondack lakes, 1930 (6.5)▯ • pure water (7.0)▯ • human blood (7.3-7.5)▯ • household ammonia (11.0)▯ 18 - Polymerization▯ • all life depends on polymerization reactions, in which small molecules link together to form long polymer fibers such as natural hair, silk, plant fiber, and skin. and synthetic materials such as polyesters, vinyl, cellophane, and other plastics▯ - Hydrocarbons▯ • widely used as fuels, are chain-like molecules made of carbon and hydrogen atoms▯ - depolymerization▯ • the breakdown of certain chemicals under high temperatures which is often a key objective in cooking ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ ▯ 19 - Clicker Questions:▯ • To achieve a negative charge, you would most likely do which of the following? ▯ - A) add protons to the object.▯ - B) add electrons to the object.▯ - C) Remove electrons from the object▯ - D) Remove protons from the object.▯ Which of the following is not a property of magnets?▯ • - A) all magnets have poles▯ - B) all magnets can attract an iron nail.▯ - C) all magnets’ poles come in pairs, a north and a south.▯ - D) all magnets are made of steel.▯ • Every electrical circuit contains:▯ - A) an electromagnet. ▯ - B) an unbroken flow path. ▯ - C) an electric switch. ▯ - D) a circuit breaker.▯ • The current through a 5.0-resistor is 0.40 ▯ - A.  What is the voltage across the resistor?▯ A) 0.8 V▯ • • B) 2.0 V▯ • C) 4.6 V▯ • D) 5.4 V▯ • A wave having a frequency of 10 Hz means which of the following is occurring?▯ - A) 10 waves are simultaneously oscillating up and down.▯ - B) 1 wave goes up and down 10 times every second.▯ - C) Over a distance of 10 m, a wave oscillations up and down 10 times.▯ 20 - D) 10 seconds goes by between waves.▯ • How fast is a wave moving if it has a wavelength of 4.0 m and a frequency of 4 Hz? - A) 8 m/s ▯ - B) 1 m/s ▯ - C) 16 m/s▯ - D) 0 m/s▯ • If one were to conduct a cutting experiment like that described by Democritus wherein he envisioned cutting paper into smaller and smaller pieces using the world’s sharpest knife, what would the smallest identifiable bit of paper be? - A) an atom.▯ - B) a molecule.▯ - C) a tiny part of an atom.▯ - D) an element like hydrogen.▯ • If you use an electrical current to break down water, you get what two gases? - A) hydrogen and oxygen ▯ - B) carbon and dioxide ▯ - C) carbon and oxygen ▯ - D) hydrogen and carbon▯ • What is emitted when a hydrogen atom goes from an excited state to the ground state? ▯ - A) a photon▯ - B) an electron▯ - C) a proton▯ - D) a neutron • What was one of the original motivations for grouping the elements in columns?▯ - A) They are grouped according to similar sizes.▯ 21 - B) They are grouped according to similar chemical behavior.▯ - C) They are grouped according to similar masses.▯ - D) They are grouped according to the order in which they were discovered.▯ • The atomic number of an element best corresponds to which of the following?▯ - A) The mass of an atom of that element▯ - B) The number of electrons orbiting the nucleus of an atom of that element▯ - C) The number of protons in the nucleus of an atom of that element▯ - D) The number of neutrons in the nucleus of an atom of that element▯ • The most stable configurations of electrons occur in which of the following cases▯ - A) Elements that are inert gasses▯ - B) Elements with even atomic numbers ▯ - C) Elements with odd atomic numbers - D) Elements that occur in the first column of the periodic table▯ • Which of the following is NOT one of the types of bonding? - A) Ionic▯ - B) Doric▯ - C) Covalent▯ - D) Metallic 22


Buy Material

Are you sure you want to buy this material for

50 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Janice Dongeun University of Washington

"I used the money I made selling my notes & study guides to pay for spring break in Olympia, Washington...which was Sweet!"

Jim McGreen Ohio University

"Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

Parker Thompson 500 Startups

"It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.