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27 Cards in this Set
- Front
- Back
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Define Energy |
The ability to do work |
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The difference between potential and kinetic energy |
Potential: Energy of position Kinetic: Energy of motion |
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What are the steps of the scientific method |
Question, observation, hypothesis, experiment, analyze, communicate |
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What are the units of the metric system based off of |
10 |
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What is meters used to measure? |
distance |
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What are liters used to measure? |
Volume |
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What are kilograms used to measure? |
Mass |
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Define Conduction |
The transfer of heat through touch |
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Define convection |
The transfer of heat through waves |
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what is a force |
a push or a pull |
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What is work |
result of a force |
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Define Velocity |
speed with direction |
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What are newtons 3 laws of motion? |
An object in motion must stay in motion. you must have a force for every action is a reaction |
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What is gravity |
Force that pulls an object. 9.18 |
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Define momentum |
The quanity of motion of a moving body, measured as a product of its mass and velocity |
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what is pressure |
if pressure goes up volume goes down if volume goes up pressure goes down |
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What is density |
Physical characteristic, if density is less then 1gm it will float if it is more it will sink |
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What are the simple machines? |
Screw, lever, pulley, wedge, axle, inclined plane |
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Define power |
rate at which work it done |
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what is a wave |
a disturbance that moves through a medium transfers energy |
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what is a surface wave |
a wave that moves along the interface of two different materials like water and air |
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What part of a wave is the crest, trough, and wavelength |
the crest in the part that comes up a trough is the bottom part that goes down and the wavelength is from crest to crest |
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Define frequency |
how often partials of a medium vibrate |
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Define Compression |
Region of high pressure in a medium caused by a passing wave |
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What is light |
it can be a partical or a wave |
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WHat makes different colors within the spectrum |
wavelengths and freuencys |
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is light a particle wave or both? |
both |
