Test Prep

Why do the stars seem to move in the sky?

• Earth's tilt

• Earth orbiting the sun

• The moon orbiting Earth

• Earth rotating on its axis

What is a PUSH or PULL of an object?

• Motion

• Force

• Friction

• Gravity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Why is it harder for the boy in Image B to get down the hill?

• Motion

• Friction

• Work

• Displacement

Tags

NGSS.MS-PS3-5

What pulls a ball back to earth?

• Gas

• Gravity

• Friction

• Molecules

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

_______ is a force that acts between two objects which are touching. This force slows any movement between the two objects.

• pressure

• magnetism

• friction

A boy rides a skate board down a hill. Eventually the skate board stops. Which is most responsible for causing the skateboard to stop?

• gravity acting on the skateboard

• friction acting on the skateboard

• the mass of the skateboard

• the mass of the boy

Tags

NGSS.MS-PS2-2

These are the variables that should stay the same. They do not get any changes in order to make for a fair test.

• Dependent Variables

• Controlled variables

• Independent Variables

Tags

NGSS.MS-PS2-2

Which of the blocks shown above would not move when exposed to the forces above?

• Block A

• Block B

• Block C

• Block D

Tags

NGSS.MS-PS2-2

If all of the above blocks are the same mass, which of the following would slide across the surface the fastest as a result of the forces acting on it?

• Block A

• Block B

• Block C

• Block D

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

The girls in this picture represent ________ forces. 

• kinetic

• balanced

• unbalanced

• chemical