Final Exam Review

In an experiment, participants were put into a room either that had music playing or was silent. The researchers then took their blood pressure after an hour. What is the dependent variable?

• Music or no music

• Blood Pressure

• Time in the room

• Silence

In an experiment, participants were put into a room either that had music playing or was silent. The researchers then took their blood pressure after an hour. What was the independent variable?

• Music or no music

• Blood Pressure

• Time in the room

• Silence

In an experiment, participants were put into a room either that had music playing or was silent. The researchers then took their blood pressure after an hour. Select two controlled variables or constants for this experiment.

• Type of Music

• Access to Caffeine

• Music or no music

• Blood Pressure

A book sitting on the table is experiencing which of the following forces?

• Friction

• Normal

• Gravity

• Applied

Tags

NGSS.MS-PS2-4

What is the net force?

• 30 N Right

• 30 N Left

• 80 N Right

• 80 N Left

Tags

NGSS.MS-PS2-2

What is the net force?

• 25 N Up

• 25 N Down

• 0 N

• 25 N Right

Tags

NGSS.MS-PS2-2

What is the net force?

• 50 N Down

• 20 N Up

• 50 N Up

• 20 N Down

Tags

NGSS.MS-PS2-2

A boy pulls a sled to the left; it gets slower and slower. Why is the sled slowing down?

• The net force is zero

• The net force is greater to the left

• The net force is greater to the right

• There are no forces acting on the sled

Tags

NGSS.MS-PS2-2

Which statement describes the motion of the car?

• It is slowing down

• It is speeding up

• It is stopped

• It is moving at a constant speed

Tags

NGSS.MS-PS2-2

Word that describes an object's tendency to stay in motion.

• Inertia

• Velocity

• Acceleration

• Gravity