Forces

Front

What is a force?

Back

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

Tags

NGSS.MS-PS2-2

Front

What happens to a swing when a student pushes it harder?

Back

The swing will most likely go higher.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Front

What can students learn by changing the surface of a ramp in an experiment with a toy car?

Back

They can learn how changing the surface of a ramp affects the distance a toy car rolls.

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

NGSS.4-PS3-1

Front

What should students measure to determine if the force of a rolling marble changed?

Back

They should measure the distance marble #2 moves after being struck by marble #1.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What does an investigation of a tennis ball and a baseball dropped from the same height test?

Back

It tests the effect of gravity.

Front

What is an unbalanced force?

Back

An unbalanced force is a force that causes an object to change its motion.

Tags

NGSS.MS-PS2-2

Front

What is a balanced force?

Back

A balanced force occurs when two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.

Front

What is friction?

Back

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

Front

What is gravity?

Back

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

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Front

What is kinetic energy?

Back

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

Tags

NGSS.MS-PS3-1