Force and Motion 5.6D

Front

What is the importance of conducting multiple trials in an experiment?

Back

Repeated investigations make the results more reliable.

Front

In a simple experimental investigation, how many variables are tested?

Back

One variable is tested in a simple experimental investigation.

Front

What is friction?

Back

Friction is the force between two objects when they come into contact with each other.

Front

What type of surface creates more friction?

Back

A rough surface creates more friction.

Front

What scientific tool is needed to measure length in an experiment?

Back

A meter stick is needed to measure length.

Front

What does a spring scale measure?

Back

A spring scale measures the amount of force applied.

Front

What is the effect of shoe type on pulling force?

Back

The type of shoe affects the amount of force required to pull it.

Front

What is a variable in an experiment?

Back

A variable is a factor that can change in an experiment.

Front

Why do scientists keep some factors constant in an experiment?

Back

To ensure that the results are due to the variable being tested.

Front

What is the role of a hypothesis in an experiment?

Back

A hypothesis is a prediction that can be tested through experimentation.