Unit 4 Test Review

Front

What is a variable in a scientific experiment?

Back

A variable is any factor in an experiment that can be changed in order to study or test a hypothesis.

Front

What type of energy does a baseball have just before being released by the pitcher?

Back

Potential energy.

Front

What happens to potential energy when an object starts moving?

Back

Potential energy becomes kinetic energy.

Front

What type of energy is being used when riding a bike?

Back

Mechanical energy.

Front

When is Christmas Day?

Back

Christmas Day is on 25th December.

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object has due to its motion.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state.

Front

What is a control group in an experiment?

Back

A control group is a group in an experiment that does not receive the treatment and is used as a benchmark.

Front

What is the difference between a variable and a constant in an experiment?

Back

A variable can change, while a constant remains the same throughout the experiment.

Front

What is an example of mechanical energy?

Back

Riding a bicycle or a moving car.