Force and Motion

Front

What is air resistance?

Back

Air resistance is a force that slows down the motion of an object moving through the air.

Front

What is motion?

Back

Motion is an object's change in position relative to a reference point.

Front

What is force?

Back

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

Front

What is an example of a pull force?

Back

Dragging your bag while going to school is an example of a pull force.

Front

What is a fair test in science?

Back

A fair test is an experiment that controls all but one variable when attempting to answer a scientific question.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

What is speed?

Back

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

Front

What is gravity?

Back

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

Front

What is a reference point?

Back

A reference point is a stationary object used to determine the position of another object.

Front

What happens when two forces act in the same direction?

Back

When two forces act in the same direction, they combine to make a larger force.