Forces and Motion

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 is motion?

Back

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

Tags

NGSS.MS-PS2-2

Front

What is speed?

Back

Speed is how far something moves over a certain amount of time.

Tags

NGSS.MS-PS3-1

Front

What is acceleration?

Back

Acceleration is the rate at which an object's speed changes.

Front

What is gravity?

Back

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

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Front

What is friction?

Back

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

Front

What is pitch?

Back

Pitch is how high or low a sound is, which is related to the frequency of the sound waves.

Front

How does frequency relate to pitch?

Back

Frequency increases with higher pitch and decreases with lower pitch.

Front

What tool do you use to measure weight?

Back

A scale is used to measure weight.

Front

What happens when an object accelerates?

Back

When an object accelerates, its speed increases.

Tags

NGSS.MS-PS2-2