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 are the two main types of forces?

Back

The two main types of forces are contact forces (like pushing or pulling) and non-contact forces (like gravity and magnetism).

Front

What is gravity?

Back

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

Tags

NGSS.5-PS2-1

Front

What happens when you push an object?

Back

When you push an object, you apply a force that can make it move away from you.

Tags

NGSS.K-PS2-1

NGSS.K-PS2-2

Front

What happens when you pull an object?

Back

When you pull an object, you apply a force that can make it move closer to you.

Tags

NGSS.MS-PS2-2

Front

What is motion?

Back

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

Front

What is the effect of a stronger push or pull?

Back

A stronger push or pull will cause an object to move faster or further.

Tags

NGSS.MS-PS2-2

Front

What is friction?

Back

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

Front

How does gravity affect objects on Earth?

Back

Gravity pulls objects toward the center of the Earth, making them fall if dropped.

Tags

NGSS.5-PS2-1

Front

What is the relationship between force and motion?

Back

Forces cause changes in motion; without a force, an object will not change its motion.

Tags

NGSS.MS-PS2-2