Energy & Newton's Laws 1 & 3

Heat Transfer thought a direct flow of heat through a material resulting in physical contact (touch)

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How is Newton's 3rd Law of Motion is demonstrated at 20 seconds? Choose 2.

• The car crashes

• After the crash, the car moves backwards

• The front of the car pushes in; in the opposite direction in which the car was traveling

• The car is yellow

Tags

NGSS.MS-PS2-1

The ball is at rest. Which of Newton's Laws is being demonstrated.

• Law 1

• Law 3

When a car crashes, what absorbs the kinetic energy?

• muffler, front of the car, seat belt, person

• front of the car, seatbelt, person

• front of the car, seatbelt, airbags, person

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The Law of Conservation of Energy is displayed in the picture. Choose the explanation below that best describes the law.

• Cars need gas and cars need to conserve fuel.

• Energy is not created, but already exists; and energy cannot be destroyed-it just changes forms.

• All energy is conserved through the efforts of man.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Gravity: what is the best definition?

• Your weight pushes you to earth's surface.

• The earth pulls all objects towards its center; and all objects are attracted to each other.

• Its when friction slows down objects so they can stick to the surface of earth.

Tags

NGSS.HS-PS2-4

What type of work is being done?

• Push

• pull

What type of work is being done?

• push

• pull

Tags

NGSS.3-PS2-1

As the skater applies force and ___________ his foot backwards, his body will move ______________.

• pushes

  forward

• pulls

  inwards

• pushes

  upwards

• pulls

  sideways

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which example of Newton's Laws of Motion is ice skating?

• 1st Law

• 3rd Law

Tags

NGSS.MS-PS2-1