Describing Motion and Force

True or False: Objects can move in relation to another by changing their speed to go up, slow down or change their direction

• True

• False

Tags

NGSS.3-PS2-2

The _______ of an object can change when one or more forces act on an object.

• force

• position

• motion

Tags

NGSS.MS-PS2-2

Which example would require more force to be exerted by you?

• Lifting a plate

• Pushing a car

• Picking up a cellphone

What animal is exerting force on the other animal? What direction is the force being exerted?

• the bird on the elephant, down

• the bird on the elephant, up

• the elephant on the bird, up

• the elephant on the bird, down

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-4

Which are an example of CONTACT FORCES? Hint: 3 answers

• friction

• gravity

• pushing

• pulling

• magnetism

Which are an example of NON-CONTACT FORCES? Hint: 3 answers

• friction

• gravity

• pushing

• electricity

• magnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

A force that is applied when one object touches another is called?

• Non-contact force

• Contact force

• Friction

What is a non-contact force?

• When one object touches another and exerts a force

• When a force is applied to an object but it does not have to touch

• When two objects rub against one another

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

When two surfaces exert a force on each other when they rub one another that is called?

• gravity

• force

• friction

Which are examples of friction? Hint: 3 answers.

• walking on the side walk

• slipping on ice

• rubbing your hands together

• a ball rolling on grass