Science 8 All year Exam

When you step on a Lego. You push on the Lego and the Lego pushes back on you.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Tags

NGSS.MS-PS2-1

What can a force do?

• all of the above
• start a motion
• stop a motion
• change the direction of the motion

Tags

NGSS.MS-PS2-2

What do each of the letters correctly represent?

• Funny, Monkeys, Arrive
• Force, Mass, Acceleration
• Free, Mass, Access
• Force, Magnesium, Arsenic

Tags

NGSS.MS-PS2-2

When there is a change in motion?

• When the forces are balanced.
• When the forces are unbalanced.
• Never.
• When the forces are equal.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Which of the following is an example of Velocity?

• 35 mi/h
• 62 miles in 2 hours
• Southwestern USA
• 25 m/s  East

Calculate the net force.

• 5 N
• 10 N
• 45 N
• 500 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

F=MA
An object of mass 10 kg is accelerated upward at 2 m/s².  What force is required? 

• 20 N
• 2 N
• 5 N
• 0 N

Tags

NGSS.MS-PS2-2

What is the net force?

• 17 N Right
• 3 N Right
• 3 N Left
• 17 N Left

Tags

NGSS.MS-PS2-2

What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1