Which of these is a unit for speed?

• m/s/s
• Newtons
• miles
• m/s

When a roller coaster moves down a ramp

• kinetic energy changes to potential energy
• electrical energy changes to light energy
• potential energy changes to kinetic energy
• gravity is not involved

When a roller coaster moves down a ramp

• kinetic energy changes to potential energy
• electrical energy changes to light energy
• potential energy changes to kinetic energy
• gravity is not involved

The tendency of an object to stay in motion or at rest is called 

• velocity
• acceleration
• speed
• inertia

All of these affect inertia except 

• size
• mass
• shape
• color

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the standard unit force is measured in?

• Newtons
• pounds
• grams
• meters

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

A push or pull that causes a change in motion

• Friction
• Gravity
• Force
• Mass

Tags

NGSS.MS-PS2-2