What is a force?

• an object that is moved

• the push or pull on a load

• the speed of a object

• the motion of an object

Tags

NGSS.MS-PS2-1

What can forces do?

• start movement

• stop movement

• cause movement

• all of the above

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Can forces be seen?

• Yes

• Only strong forces can be seen.

• Only gentle forces can be seen

• No

What is a load?

• a heavy object

• a light object

• an object that is being moved

• a strong force

A pull is a force that _______

• brings an object closer

• moves an object forward or away

• moves an object up in the air

• moves an object down to the ground

Tags

NGSS.3-PS2-1

A push is a force that ________.

• brings an object closer

• moves an object forward or away

• moves an object up in the air

• moves an object down to the ground

Tags

NGSS.MS-PS2-2

Friction causes objects to ______.

• speed up and go faster

• slow down and stop

• lose gravity and float away

• become heavier

Friction happens when _____.

• objects are too heavy to move

• objects float away

• objects rub against each other

• objects change direction

The amount of friction created depends on the _____ of the objects being rubbed together.

• mass

• weight

• length

• surface

Who is the scientist that is responsible for experimenting with gravity?

• Isaac Newton

• Albert Einstein

• Bill Nye the Science Guy

• George Washington

Tags

NGSS.HS-PS2-4