STAAR Released Questions 5.6A Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as thermal, electrical, mechanical, and light energy.

Front

What are the two types of energy used by a toy oven to bake cakes?

Back

Electrical energy and thermal energy.

Front

What is mechanical energy?

Back

Mechanical energy is the energy associated with the motion and position of an object. It can be kinetic (energy of motion) or potential (stored energy).

Front

What type of energy is used to turn on a switch in a Rube Goldberg machine?

Back

Mechanical energy.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy that causes the particles in an object to move.

Front

What types of energy are needed to change the states of matter of a candle?

Back

Electrical energy and thermal energy.

Front

What kind of energy does a battery-operated lamp use to produce light?

Back

Electrical energy.

Front

What is light energy?

Back

Light energy is a form of energy that is visible to the human eye. It is produced by the vibrations of electrically charged particles.

Front

What type of energy is used by flowing water to make turbines spin in a dam?

Back

Mechanical energy.

Front

What is the relationship between energy and work?

Back

Energy is required to do work. When work is done, energy is transferred from one system to another.