Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
1 Ch - Phy Sc M 8A
Physics - Energy (Apologia Physical Science M 8A)
| Question | Answer |
|---|---|
| energy | the ability to do work |
| Any object in motion will have | kinetic energy. |
| potential energy | energy that is stored as a result of position or shape |
| gravitational potential energy | potential energy that depends upon an object's height or position above the Earth |
| PE = | m*g*h (g stands for acceleration due to gravity) |
| Any object that can be stretched or compressed has | elastic potential energy. |
| One way to reduce experimental error (which naturally occurs during experiments) is to | conduct multiple trials and average the results. |
| mechanical energy | the sum of an object's potential energy and kinetic energy |
| thermal energy | the total kinetic energy of moving atoms and molecules of an object |
| chemical energy | the energy stored in the chemical bonds of the molecules that make up a substance |
| electrical energy | the energy associated with moving charged particles |
| electromagnetic energy (also called radiant or light energy) | a form of energy that is reflected or emitted from objects and travels through space in the form of waves |
| sound energy | a form of mechanical energy; carried by sound waves |
| nuclear energy | the energy stored by the forces that hold the nucleus of an atom together |
| nuclear fission | a process that releases energy by splitting atomic nuclei apart |
| nuclear fusion | nuclei of smaller atoms are combined or fused together to form a larger atom |
| energy conversion | the process of changing from one form of energy to another |
| law of conservation of energy | energy cannot be created or destroyed; it can only be converted from one form to another or transferred from one object to another |
| closed system | a system where nothing can enter or leave |
| KE (aka kinetic energy) | = (1/2) (m) (v^2) |
| The energy people use comes from | the energy stored in the chemical bonds of the food they ate. |
| Because a ball is moving, it has | kinetic energy. |
| Kinetic energy is directly proportional to | the mass and the speed squared. |
| J stands for Joules which means | kg times meters squared divided by seconds squared. |
| Kinetic energy can be transferred from one object to another such as in | billiards. |
| The sun is the source (either directly or indirectly) of most of the Earth's energy supplies because | it radiates electromagnetic energy through space in waves. |
| Radiant energy does not need to | touch other matter to transfer its energy. |
| Light energy is the only form of energy that we can directly | see. |
Created by:
MrsHough
Popular Physical Science sets