HHE Chapter 1 Review

Front

What device can work during the day according to the article Energy Inventions?

Back

The Hollow Flashlight.

Front

What type of energy does the Little Sun Lamp use?

Back

Solar energy.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

Which device's energy source is the best choice for rescue workers to power their devices?

Back

The Hollow Flashlight.

Front

What problem are rescue workers facing in the video Energy for Emergencies?

Back

Their devices run out of charge and they do not have a way to give them more power.

Front

What is solar energy?

Back

Energy from the sun that can be converted into thermal or electrical energy.

Front

What is the purpose of the Little Sun Lamp?

Back

To provide light using solar energy.

Front

Why is the Hollow Flashlight a good choice for emergencies?

Back

It can be powered without sunlight and is reliable.

Front

What happens when energy is applied to an object?

Back

The object moves or changes.

Front

What is an example of energy causing change?

Back

A light bulb turning on when electricity flows through it.