Forces and Motion

Front

What is a force?

Back

A force is a push or pull that can change the motion of an object.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is speed?

Back

Speed is the distance an object travels in a certain amount of time.

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change an object's motion, while unbalanced forces cause an object to accelerate.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces in contact.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward each other, such as the Earth pulling us down.

Front

What is a dependent variable?

Back

A dependent variable is what you measure in an experiment; it depends on the independent variable.

Front

What is an independent variable?

Back

An independent variable is what you change in an experiment to see how it affects the dependent variable.

Front

What is the engineering design process?

Back

The engineering design process is a series of steps that engineers follow to come up with a solution to a problem.

Front

What is a fair test in an experiment?

Back

A fair test is an experiment where only one variable is changed at a time to ensure accurate results.