Amplify Light Waves Review

Front

What is the main reason why light from the sun can change thermal paper but light from a flashlight cannot?

Back

The thermal paper can take in energy from the sun, but not from the flashlight.

Front

What type of light is more likely to melt green Legos: green light or infrared light?

Back

Neither type of light is likely to melt the Legos because the Legos do not take in energy from green light or infrared light.

Front

Can light cause a solar panel to get warm?

Back

Yes, the solar panel can take in energy from the light.

Front

What happens to energy when light does not change a material?

Back

If light does not change a material, the energy was not absorbed.

Front

What do light waves carry from one place to another?

Back

Energy.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.

Front

What is the difference between reflection and absorption of light?

Back

Reflection is when light bounces off a surface, while absorption is when light is taken in by a material.

Front

What is infrared light?

Back

Infrared light is a type of electromagnetic radiation that is not visible to the human eye but can be felt as heat.

Front

How does sunlight affect solar panels?

Back

Sunlight provides energy that solar panels convert into electricity.

Front

What is the role of energy in changing materials?

Back

Energy can cause materials to change state, temperature, or structure.