ATOMS GCSE Flashcards
Terms : Hide Images
| 16315582494 | atomic number | The number of protons in an atom |  | 0 |
| 16315582495 | atomic mass | The total weight of an atom (or how heavy it is) |  | 1 |
| 16315582496 | atom | A small particle that makes up most types of matter and is made up of smaller parts called protons, neutrons, and elections. |  | 2 |
| 16315582497 | nucleus | The center part of an atom that has a positive charge. It contains protons and neutrons. |  | 3 |
| 16315582498 | neutron | A particle in the nucleus of an atom that has no charge (uncharged). |  | 4 |
| 16315582499 | proton | A particle in the nucleus of an atom that has a positive charge |  | 5 |
| 16315582500 | electron | A particle with a negative charge that is found in a cloud-like formation surrounding an atom's nucleus. | | 6 |
| 16315582501 | Periodic Table of Elements | A chart of the elements showing the repeating pattern of their properties |  | 7 |
| 16315582502 | matter | Anything that has mass and occupies space. It is a solid, liquid, or gas. |  | 8 |
| 16315582503 | element | A ____________ is a substance made from only one kind of atom |  | 9 |
| 16315582504 | mass number | = protons + neutrons |  | 10 |
| 16315582506 | compound | When two or more elements combine to create a new pure substance. Ex. NaCl = salt |  | 11 |
| 16315582507 | mixture | When two or more substances combine but don't create a new substance. Ex. chocolate milk |  | 12 |
Physical Science Chapter 8 Flashcards
Terms : Hide Images
| 16308022176 | Gases | Pressure and temperature affect the solubility of? |  | 0 |
| 16308022177 | Heat the solvent | How can you make a solid solute dissolve more quickly in a solvent? |  | 1 |
| 16308022178 | Heterogeneous Mixture | A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture |  | 2 |
| 16308022179 | Solubility | the ability of one substance to dissolve in another at a given temperature and pressure |  | 3 |
| 16308022180 | Water | A polar molecule |  | 4 |
| 16308022181 | Stir the solution | One way you can speed up dissolving a solid solute in a solvent? |  | 5 |
| 16308022182 | Increase the solute surface area | One way you can speed up dissolving a solid solute in a solvent? |  | 6 |
| 16308022183 | Solute | The substance being dissolved | 7 | |
| 16308022184 | Saturated | When you have aded the maximum amount of solute that will dissolve in a solution, you have made a _______________ solution. | 8 | |
| 16308022185 | Homogeneous Solution | mixture in which different material are blended evenly so that the mixture is the same throughout (salt water) |  | 9 |
| 16308022186 | Super Saturated | a solution that holds more solute than it normally can | 10 | |
| 16308022187 | Solvent | A liquid substance capable of dissolving other substances | 11 | |
| 16308022188 | Non-polar substances | -dissolves non-polar substances |  | 12 |
| 16308022189 | Polar substances | dissolve in polar solvents |  | 13 |
| 16308022190 | Molarity | A common measure of solute concentration, referring to the number of moles of solute per liter of solution. |  | 14 |
| 16308022191 | Unsaturated Solution | A solution that contains less solute than a saturated solution does and that is able to dissolve additional solute | 15 | |
| 16308022192 | alloy | A mixture of two or more metals | 16 |
Physical Science - Ch 7 Flashcards
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| 16308030017 | reactant | -a substance or molecule that participates in a chemical reaction | 0 | |
| 16308030018 | product | -a substance that forms in a chemical reaction | 1 | |
| 16308030019 | chemical reaction | -process that changes one set of chemicals into another set of chemicals |  | 2 |
| 16308030020 | exothermic | -reactions that release energy are called ___________________ |  | 3 |
| 16308030021 | endothermic | -reactions that absorb energy are called _____________ |  | 4 |
| 16308030022 | endothermic | -photosynthesis is an (endothermic, exothermic) reactions | 5 | |
| 16308030023 | chemical equation | -this type of equation uses symbols to represent a reaction | 6 | |
| 16308030024 | balanced | -when the number of atoms is the same on both sides, a chemical equation is _______________ |  | 7 |
| 16308030025 | mole ratio | -a balanced equation tells you the _______ __________or proportion of reactants and products |  | 8 |
| 16308030026 | synthesis | -a reaction in which several substances combine to form a new compound |  | 9 |
| 16308030027 | decomposition | -reactions in which ONE reactant is broken apart |  | 10 |
| 16308030028 | combustion | -this reaction is one which uses oxygen as a reactant |  | 11 |
| 16308030029 | single-displacement | -reaction in which ONE element takes the place of another element | 12 | |
| 16308030030 | double displacement | -reaction in which TWO compounds appear to exchange ions | 13 | |
| 16308030031 | synthesis | -the formation of water from hydrogen and oxygen is an example of this type of reaction |  | 14 |
| 16308030032 | combustion | -the formation of carbon monoxide is this type of reaction |  | 15 |
| 16308030033 | decomposition | -digestion is an example of this type of reaction | 16 | |
| 16308030034 | decomposition | -cracking (forming gas from crude oil) is an example of this type of reaction | 17 | |
| 16308030035 | oxidation-reduction | -type of reaction in which one part loses electrons an another part gains electrons | 18 | |
| 16308030036 | redox | -oxidation-reduction reactions are also called _______________ reactions | 19 | |
| 16308030037 | redox | -rusting is an example of this type of reaction | 20 | |
| 16308030038 | higher | -most reactions go faster at (lower, higher) temperature | 21 | |
| 16308030039 | speed up | -a large surface area (slows down, speeds up) reactions | 22 | |
| 16308030040 | higher | -reactants with (lower, higher) concentrations will react faster. | 23 | |
| 16308030041 | higher | -reactions are faster at (higher, lower) pressure | 24 | |
| 16308030042 | catalyst | -this substance speeds up or slows down a reaction, but is not changed by a reaction |  | 25 |
| 16308030043 | enzymes | -these substances are catalysts for chemical reactions in living things | 26 | |
| 16308030044 | substrate | -the reactant that is catalyzed or acted upon by an enzyme | 27 | |
| 16308030045 | equilibrium | -the balance in which the rate of a forward reaction equals the rate of the reverse reaction |  | 28 |
| 16308030046 | double arrow | -equations for reversible equations use a __________________ arrow to show that one equation goes from left to right and the other one goes from right to left |  | 29 |
| 16308030047 | gains | -the elements that is reduced (gains, loses) electrons | 30 | |
| 16308030048 | loses | -the element that is oxidized (gains, loses) electrons | 31 | |
| 16308030049 | exothermic | -the explosion of fireworks is an example of a _______________ reaction | 32 |
Circular Motion Flashcards
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| 16308483928 | 2 types of circular motion | rotation and revolution | 0 | |
| 16308505240 | Newton's first law | inertia; an object wants to continue moving in a straight line at a constant speed | 1 | |
| 16308561193 | Using Newton's first law, what can you conclude about an object moving in a circular path? | a force must be acting on the object | 2 | |
| 16308604019 | What is uniform circular motion? | moving in a circular path at a constant speed | 3 | |
| 16308650919 | Describe the velocity of an object traveling in a circle. | Because the object is traveling in a circle and its direction is constantly changing, its velocity is therefore constantly changing. It is accelerating. | 4 | |
| 16308733505 | Because an object moving in a circular path is accelerating, there must be a __________ acting on the object to make it go in a circle. | force | 5 | |
| 16308749249 | centripetal force | any force that causes and object to move in a circle , directed to the center of the circle, "center-seeking" force |  | 6 |
| 16308822597 | centripetal acceleration | always toward the center of the circle |  | 7 |
| 16308937256 | what are the two types of velocity in circular motion? | angular velocity | 8 | |
| 16308956971 | angular velocity (w) | rate of change of the angle; revolutions per minute; units are radians THE SAME FOR ANY POINT ALONG THE RADIUS |  | 9 |
| 16309018186 | tangential velocity (v) | the instantaneous velocity of a given point on the circumference of a circle; direction follows a line tangent to the circle |  | 10 |
Physical Science Concepts in Action Chapter 6 Flashcards
Terms : Hide Images
| 16316486646 | Alloy | A mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal. (p. 178) |  | 0 |
| 16316486647 | Molecule | A neutral group of atoms that are joined together by covalent bonds. (p. 166) |  | 1 |
| 16316486648 | Covalent Bond | A chemical bond in which 2 atoms share a pair of valence electrons. (p. 166) |  | 2 |
| 16316486649 | Polyatomic Ion | A covalently bonded group of atoms that has a positive or negative charge and acts as a unit. (p. 172) |  | 3 |
| 16316486650 | Anion | An ion with a negative charge. (p. 160) |  | 4 |
| 16316486651 | Cation | An ion with a positive charge. (p. 160) |  | 5 |
Flashcards
Physics energy, work and power Flashcards
in need of a good physics teacher
Terms : Hide Images
| 16319765657 | mechanical energy (M.E.) | energy due to motion or position OR the ability to do work types: kinetic, gravitational potential, elastic | 0 | |
| 16319765658 | energy | the ability to do work | 1 | |
| 16319765659 | kinetic energy (KE) | energy of moving objects |  | 2 |
| 16319765660 | Power | the rate at which work is done | 3 | |
| 16319765661 | potential energy (PE) | energy of objects at a height (not moving) | 4 | |
| 16319765662 | Power equation | P=W/t | 5 | |
| 16319765663 | gravitational potential energy (GPE) | energy stored due to an object's position GPE=mgh=Wh | 6 | |
| 16319765664 | work | Force exerted on an object that causes it to move | 7 | |
| 16319765665 | elastic potential energy (EPE) | the energy stored in a stretched or compressed spring |  | 8 |
| 16319765666 | Work equation | force x distance | 9 | |
| 16319765667 | total mechanical energy | the sum of all of the mechanical energies in the system TME=KE+PE | 10 | |
| 16319765668 | law of conservation of energy | energy cannot be created nor destroyed-it can only be transformed form one form into another E(before)=E(after) | 11 |
Physics final conceptual Flashcards
Terms : Hide Images
| 16320271449 | force | mass x acceleration | 0 | |
| 16320271450 | acceleration | Change in velocity divided by the time it takes for the change to occur |  | 1 |
| 16320271451 | vector | A quantity that has magnitude and direction | 2 | |
| 16320271452 | scalar | a physical quantity that has magnitude but no direction | 3 | |
| 16320271453 | mass | A measure of the amount of matter in an object | 4 | |
| 16320271454 | weight | mass x gravity A measure of the force of gravity on an object | 5 | |
| 16320271455 | Newton's 1st Law | 6 | ||
| 16320271456 | Newton's 2nd Law | 7 | ||
| 16320271457 | Newton's 3rd Law | 8 | ||
| 16320271458 | momentum | 9 | ||
| 16320271459 | energy | 10 | ||
| 16320271460 | work | 11 | ||
| 16320271461 | impulse | 12 | ||
| 16320271462 | equilibrium | 13 | ||
| 16320271463 | conservation of momentum | 14 | ||
| 16320271464 | conservation of kinetic energy | 15 | ||
| 16320271465 | conservation of energy | 16 | ||
| 16320271466 | uniform circular motion | 17 | ||
| 16320271467 | centripetal force | 18 | ||
| 16320271468 | inertia | 19 | ||
| 16320271469 | rotational inertia | 20 | ||
| 16320271470 | tension | 21 | ||
| 16320271471 | friction | 22 | ||
| 16320271472 | normal force | 23 | ||
| 16320271473 | Simple Harmonic Motion | 24 | ||
| 16320271474 | Newton's Law of Universal Gravitation | 25 | ||
| 16320271475 | Kepler's 1st Law | 26 | ||
| 16320271476 | Kepler's 2nd Law | 27 | ||
| 16320271477 | Kepler's 3rd Law | 28 | ||
| 16320271478 | Density | 29 | ||
| 16320271479 | Pressure | 30 | ||
| 16320271480 | Archimedes' Principle | 31 | ||
| 16320271481 | Pascal's Principle | 32 | ||
| 16320271482 | Bernoulli's Principle | 33 | ||
| 16320271483 | mercury barometer | 34 | ||
| 16320271484 | longitudinal waves | 35 | ||
| 16320271485 | transverse waves | 36 | ||
| 16320271486 | crest | 37 | ||
| 16320271487 | trough | 38 | ||
| 16320271488 | interference | 39 | ||
| 16320271489 | the Doppler effect | 40 | ||
| 16320271490 | Bow waves | 41 | ||
| 16320271491 | pitch of a sound wave | 42 | ||
| 16320271492 | amplitude of a sound wave | 43 |
Electrostatics Flashcards
Basic vocabulary and formula
Terms : Hide Images
| 16320388445 | Negative Charge | charge on an electron |  | 0 |
| 16320388446 | Neutral Charge | Amount of protons = amount of electrons |  | 1 |
| 16320388447 | Law of Electric Charges | 1. Like charges repel (move away). 2. Unlike charges attract (move together). 3. Charged objects attract neutral objects. |  | 2 |
| 16320388448 | static electricity | The buildup of charges on an object |  | 3 |
| 16320388449 | lightning | A sudden spark, or energy discharge, caused when electrical charges jump between parts of a cloud, between nearby clouds, or between a cloud and the ground. |  | 4 |
| 16320388450 | insulator | A material that does not allow heat or electrons to move through it easily. |  | 5 |
| 16320388451 | conductor | A material that allows heat and electricity to pass through it. |  | 6 |
| 16320388452 | repel | like charges or two items have collected the same charge. |  | 7 |
| 16320388453 | attract | to draw together; charges that are different | 8 | |
| 16320388454 | Static discharge | the loss of static electricity as electric charges transfer from one object to another | 9 | |
| 16320388455 | Electric Force | the force of attraction or repulsion between electrically charged objects |  | 10 |
| 16320388456 | Friction | a method of charging an object by rubbing it against another object | 11 | |
| 16320388457 | Conduction | a method of charging an object by allowing electrons to flow by direct contact from one object to another object | 12 | |
| 16320388458 | Induction | a method of charging an object by means of the electric field of another object | 13 | |
| 16320388459 | Polarization | to induce a charge on an insulator by rearranging the atoms poles in the object | 14 | |
| 16320388460 | Ohm's Law | V = IR | 15 | |
| 16320388461 | Series circuit | An electric circuit with only one path through which charge can flow | 16 | |
| 16320388462 | Parallell circuit | a circuit in which different parts of the circuit are on separate branches that allow a different pathway for electrons to take | 17 |
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