8th Grade Science Q2

What is the net force?

• 400 N Up
• 400 N Down
• - 400 N Down
• 800 N Down

Tags

NGSS.MS-PS2-2

What is the net force

• 10 N
• 0 N
• 25 N
• 1 N

Tags

NGSS.MS-PS2-2

When astronauts walked on the Moon, they used weighted boots to help them walk due to the lower gravitational pull. What difference between Earth and the Moon accounts for the difference in gravity?

• density

• diameter

• mass

• volume

Tags

NGSS.MS-PS2-4

What keeps the Moon in orbit around Earth?

• Earth's rotation.
• Earth's atmosphere.
• Earth's gravity.
• Earth's shape.

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1

What two things does gravity depend on?

• Mass and weight

• Weight and distance

• Mass and force

• Mass and distance

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Something that is not moving stays still, and something moving continues going until another force affects it.

• Inertia
• Velocity
• Acceleration
• Motion

When two forces acting on an object are not equal in size.

• Balanced Force
• Friction
• Velocity
• Unbalanced Force

Tags

NGSS.MS-PS2-2

Under what condition will a bowling ball slow down if it is rolling down a bowling lane at a constant speed?

• An accelerating force is applied to the ball.

• An unbalanced external force is applied to the ball.

• The mass of the ball is reduced.

• The direction of the ball is changed.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

What will the net force on the soccer ball be?

• 50 N to the left

• 50 N to the right

• 200 N to the left

• 200 N to the right

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

This motion graph represents:

• constant speed

• acceleration

• body at rest

• slowing down

Tags

NGSS.MS-PS3-1