Science Word Scramble
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Question | Answer |
speed | rate of change of position |
average speed | found by dividing total distance traveled by time taken |
instantaneous speed | speed of an object at one instant of time |
velocity | speed and direction of a moving object |
inertia | tendency of an object to resist a change in its motion |
momentum | how difficult it is to stop a moving object |
law of conservation of momentum | total momentum of objects that collide doesn't change after the collision |
chemical change | produces chemical change, results in new substances |
reactant | substances that begin before a chemical reaction begins |
product | substances that form as a result of a chemical reaction |
exothermic reaction | chemical reaction in which heat energy is released |
enzyme | large protein molecules that speed up or slow down reactions, needed for your cells to work properly |
troposphere | atmospheric layer closest to earth, contains most weather and clouds |
stratosphere | located above the troposphere |
mesosphere | located above the stratosphere |
thermosphere | located above the mesosphere |
ionosphere | part of the thermosphere and mesosphere, reflects AM radio waves |
Created by:
kitkatharp
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