Spring Final Exam Practice

The picture lists light waves from left to right in order of highest to lowest energy. Which region of the electromagnetic spectrum has the longest wavelength?

• Gamma Rays

• Visible Light

• Radio Waves

• UV

Newton's second law states that F = m x a (Force is mass times acceleration). Which example would have the GREATEST acceleration?

• a 10 kg ball thrown with a 50 Newton force

• a 50 kg student launched by a 100 Newton catapult

• a 1 kg ball thrown with a 0.5 Newton force

• a 500 kg car accelerated by 1000 Newtons from the engine

Tags

NGSS.MS-PS2-2

As a skateboarder moves downhill, some of the energy of the skateboarder is

• kinetic.

• potential.

• kinetic and some is potential.

• lost.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Because of friction

• NOT all potential energy is converted to kinetic energy.

• energy is NOT always conserved.

• all of an object's kinetic energy turns into potential energy.

• all of an object's potential energy turns into kinetic energy.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A circuit contains three light bulbs in parallel. After observation, a fourth light bulb is added, also in parallel. How does the intensity of the four light bulb circuit compare with the intensity of the three light bulb circuit?

• It is higher in intensity.

• It has the same intensity.

• The circuit is not operational.

• It is lower in intensity.

A cup of coffee sits on the dashboard of an automobile. The car goes around a sharp curve. Even though you hold the cup still, coffee still splashes out.

• density.

• gravity.

• friction.

• inertia.

A roller coaster begins at the top of a hill. If it accelerates at the rate of 2 m/s2�2 and has a mass of 2000 kg, what net force is acting on it? (F=ma)

• 4000N

• 1000N

• 0.001N

• 0.5N

Tags

NGSS.HS-PS2-1

Shannon drove her car 140 miles east at a rate of 70 miles per hour. How long did she travel?

• 1 hour

• 20 hours

• 2 hours

• 20 minutes

Suppose a rollerblade racer finished a 132 meter race in 18 seconds. What is the average speed of the rollerblade racer?

• 2.376 m/s

• 2376 m/s

• 0.136 m/s

• 7.33 m/s

Diego kicks a soccer ball from the end line. His fellow students time and mark the soccer ball as it moves down the field. The graph represents the ball's progress.Based on the graph, during what time is the soccer ball not moving?

• from 0 to 1.5 seconds

• from 4.5 to 5.0 seconds

• from 3.0 to 4.5 seconds

• from 1.5 to 3.0 seconds

Tags

NGSS.MS-PS3-1