| A | B |
|---|
| What is the difference between reflection and refraction? | reflection is light bouncing off an object and refracton is the bending of light rays as they pass from one substance into another |
| The moon does not produce light. What makes it possible to see the moon from earth? | Light from the sun is reflected by the moon |
| What are some things that reflect light? | mirror, spoon, anything ploished or shiny |
| Clara is standing beside a car with tinted windows. How does she know that the tinted car windows are reflecting light? | Clara can see herself in the windows |
| Which camera part uses refracton to help the camera take pictures? | Lens |
| Give an example of light being refracted. | When you place a ruler in a cup of water it looks bent because of refraction |
| Describe what reflection looks like. | Light hits an object and bounces off in a stright line at the same angle that hits the object |
| When light rays bounce off objects, they are ____________. | reflected |
| What kind of energy is being produced by a candle? | light and heat |
| Which household appliance converts electrical energy to heat energy? | hair dryer |
| What kind of energy does the sun provide? | heat and light |
| How can you recognize an object that has a lot of heat energy? | It is warm to the touch |
| What is a lens and what does a lens do to light? | It is a transparent material that bends light; It refracts or bends light |
| What happens to molecules when a substance is heated? | the particles move faster and take up more space |
| What is the measure of how hot or cold an object is? | temperature |
| Removing heat from a liquid by cooling will eventually turn the liquid into a ______. | solid |
| What is an example of electrial energy being coverted into heat energy? | oven, toaster, hair dryer, etc. |
| What is an example of electrical energy being converted into light? | lamps, televisons, flashlight (battery is electrical)etc. |
| What are some examples of mechanical energy? | bike, cards, clocks, etc. |
| What is thermal (heat) energy used for? | to cook our food, warm us, etc. |
