Final Exam 8th P Sci

Emily slid down the sliding board at the park. Where did Emily have the most potential energy?

• In the middle of the slide
• Near the bottom of the slide
• At the top of the slide

10 Emily slid down the sliding board at the park. Where did she have the most kinetic energy?

• In the middle of the slide
• At the top of the slide
• At the end of the slide when she stopped
• Near the bottom of the slide

Frank jumps off of a raft in his pool. As he jumps, he moves forward as the raft moves

in the opposite direction.

Which of Newton's Laws is represented here?

• The 1st law because a body at rest tends to stay at rest.

• The 3rd law because for every action there is an equal and opposite reaction.

• The 2nd law because as the mass increases so does the force.

• The 4th law because I think Newton was unfair to the number 4 by only having 3 Laws.

How many Laws of Motion did Newton come up with?

• 1

• 2

• 3

Throughout the universe, in any closed system, energy cannot be created or destroyed.

• True

• False

How many centimeters in 7 meters?

• 70 cm

• 700 cm

• 70,000 cm

• 0.07 cm

Jenny had to do the mile for PE. She ran around the MCC track 4 times. Each lap is 400 meters. Which of these statements is true about Jenny's run?

• her displacement is equal to her distance

• her displacement is greater than her distance

• her displacement is zero and her distance is 1600 meters

• her distance is zero and her displacement is 1600 meters

Speed Equation: S = D/T

A bowling ball moves 2 meters in 0.5 seconds. Find its speed in m/s.

• 2 m/s

• 1 m/s

• 10 m/s

• 4 m/s

Basic Metric Unit for measuring liquid.

• Liters

• Meters

• Seconds

• Kelvin

Basic Metric Unit for measuring time.

• seconds

• minutes

• hours

• months