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Unit C Energy Test
Unit C Energy Conservation and Transfer
| Question | Answer |
|---|---|
| What are factors that will increase an object’s temperature? | The light Intensity, length of time, and Amount of light absorption |
| What is the best conductor of Electricity? | Metal |
| How is energy transferred from the sun to the Earth? | Electromagnetic Waves |
| On the Electromagnetic Spectrum, which wave allows the human eye to detect colors? | Visible |
| When light waves shine through an object, is the light being_______________ CHOOSE ONE (Absorption, Reflection, Transmitted, or Scattered ) | Transmitted |
| When riding a bike at night, your bikes reflectors help other cars see your bike. How does the reflector work? | The reflector bounces light back from other sources |
| Are metals (good or bad ) conductors of heat? | Good |
| How could you prevent a chocolate chip cookie from melting in the sun while it was sitting in the window sill? | Put an object over the Chocolate so the Sun is reflected |
| Thermal Energy is transferred through a material when colliding with ( light, matter, ATOMS, or crystals ) within the material. | ATOMS |
| What is the change in the direction of a wave when it enters a new medium? | Refraction |
| What would happen if I held a copper wire with wooden handle over a candle flame? | The heat will travel through the wire |
| What is the best insulator? | Wood |
| What is the main source of Energy on Earth? | The Sun |
| Which heat transfer takes place WITHIN water? | Convection |
| Which type of LIGHT on the Electromagnetic Spectrum is not seen with the human eye? | Ultra Violet light |
| Why does your hand feel cold when you hold an ice cube? (think of heat transfer when answering) | Heat flows from your hand to the ice cube by conduction |
| What type of energy is produced by a generator? | Electrical |
| What change of state is taking place when water boils and steam is visible? | Liquid to a Gas |
| What form of ENERGY causes an ice to melt? | Heat |
| _____________are the building blocks of matter? (unit B review) | ATOMS |
| Does freezing water into ice involve a change in the physical properties? (unit B review) Yes or No | Yes |
| What is the name of the change when a gas turns into a liquid? (unit B review) | Condensation |
| Will (cooling or heating) water cause molecules in a cup of water to move slower? (Unit B review) | Cooling |
| In an experiment, the one variable that is changed is the _____________________ (Unit A review) | Independent Variable |
| In an experiment, all of the things must stay the same to make it fair is a _________________________ (Unit A review) | Controlled Variable |
Created by:
Alchilders
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