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Phy Sci 7a-c
Phy Sci 7a-c Energy Trans. Study Guide
| Question | Answer |
|---|---|
| Does a drop of boiling water or a pot of boiling water have more thermal energy? | pot |
| What happens to potential energy as speed slows? | increases |
| What reduces the transfer of energy? | Insulator |
| What is a poor insulator material? | metal |
| On a roller coaster, at what point is there the most potential energy? | top of the tallest hill |
| The use of light to produce chemical energy | Photosynthesis |
| Circulating warm air | Convection |
| Potential energy is energy due to the? | height of an object |
| What is an energy Conductor? | Enables the transfer of thermal energy from one substance to another through contact. |
| Conduction is? | Transfer of thermal energy by direct contact. |
| Is wood or cloth a good conductor? | No. metal is best. |
| If you double your speed, how much does your kinetic energy increase? | X 4 |
| What two things do you have to have to compute kinetic energy? | Speed and Mass |
| Warming up due to a fire or sunlight is what type of energy transfer? | radiation |
| A battery produces which type of energy? | Chemical energy |
| Materials that can warm up and cool down quickly have a...? | low specific heat capacity |
| To have kinetic energy, the object must be..? | moving |
| ____ energy is converted to _____ energy as a roller coaster goes down the hill. | potential, kinetic |
| Car brakes convert kinetic energy into _____ energy. | Thermal (by friction) |
| If doubling your speed increases for kinetic energy times 4, what would happen to your stopping distance? | increase by x4 |
| Does steam or boiling water have more energy per unit of mass? | Steam |
| Formula for Power is? | Work divided by Time |
| Formula to figure Kinetic energy | Mass x Speed |
| The transfer of energy through space is...? | Radiation |
| Exercise may transform chemical energy from the food you eat into? | both potential and kinetic energy |
| What is the difference between temperature and thermal energy? | Temperature does not depend on mass |
| The transfer of thermal energy by liquid or gas is? | Convection |
| The law that states that energy is not lost but transferred from one object to another? | Law of Conservation of Energy |
| Objects cool down not by the introduction of cold but by the loss of...? | heat |
| What do you need in order to pick up a hot handle on a pan? | Thermal insulator |
Created by:
FordLCHS
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