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Chapter3Review
Chapter 3 (Force and Motion) Review
| Question | Answer |
|---|---|
| An object is moving only if it changes positions relative to a ___________ _______________. | reference point |
| The formula for speed is SPEED = _________________. | distance/time |
| A _______________ exerted on an object causes it to accelerate. | unbalanced |
| Newton’s First Law of Motion states that an object at _____ will remain at _______ unless acted upon by a force. | rest; rest |
| _________________ forces do not change an object’s motion. | Balanced |
| ___________________ is a measure of the average kinetic energy of an object’s individual particles. | Temperature |
| At room temperature, two glasses of water will have the same average ______________ energy. | kinetic |
| Water freezes at _______________ on the Fahreneheit scale. | 32 degrees |
| Water freezes at _______________ on the Celsius scale. | 0 degrees |
| ____________ ____________ is the total energy of all the particles in a substance. | Thermal energy |
| _________________ is the transfer of thermal energy from a substance at one temperature to a substance at a different temperature. | Heat |
| _________________ is the SI unit is used to measure heat. | Joules |
| In the process of _________________, heat is transferred from one particle of matter to another in an object without the movement of the object itself. | conduction |
| ________________ is the movement that transfers heat within fluids. | convection |
| Heated air moving from baseboard heaters throughout the room is an example of ______________________. | convection |
| _________________ is the transfer of energy by electromagnetic waves. | Radiation |
| Heat moves from only ___________ objects to _________ objects. | warmer; colder |
| A material that does not conduct heat well is an ___________________. | insulator |
| Plastic, air, and fiberglass are examples of _______________. | insulators |
| _______________ is a good conductors. | Metal (silver) |
| ____________ __________ is the amount of energy required to raise the temperature of 1 kilogram of a substance by 1 Kelvin. | Specific heat |
| _________ states of matter exist on Earth. | Three |
| Gases have more __________ ___________ than liquids. | thermal energy |
| ___________ ___________ is the temperature at which a solid changes into liquid. | Melting point |
| ___________ ___________ is the temperature at which a liquid changes into solid. | Freezing point |
| When liquid in a thermometer is heated it expands. This is an example of ______________ ________________. | thermal expansion |
Created by:
lschramme
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