Lesson 1-2 Flashcard Corrected Version

Front

What is solar energy?

Back

Solar energy is energy that comes from the sun. It can be used to light buildings and power devices.

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion or position. For example, using a toothbrush to clean your teeth is an example of mechanical energy.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object because of its position. For example, a book on the edge of a desk has potential energy.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of motion. For example, when a book falls off a desk, it is converting potential energy into kinetic energy.

Front

What is electrical energy?

Back

Electrical energy is the energy that comes from electric charges. It powers devices like televisions.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from heat. Cooking food uses thermal energy.

Front

What happens when potential energy changes to kinetic energy?

Back

When potential energy changes to kinetic energy, it means that an object is moving after being in a position of rest.

Front

What is an example of using solar energy in buildings?

Back

Putting a lot of windows in a building allows sunlight to light the inside, using solar energy.

Front

What is an example of mechanical energy in daily life?

Back

Using a toothbrush to clean your teeth is an example of mechanical energy.

Front

What is the source of energy for a television?

Back

The source of energy that powers a television is electrical energy.