Science 6: Levitating Forces Post-test

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When an electric current flows through the wire in an electromagnet, _______.

• A. the wire begins to spin
• B. the wire becomes very cold.
• C. a magnetic field is created around the wire.
• D. a gravitational field is created around the wire.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When you climb to the top of a water slide you are gaining_______.

• A. gravitational kinetic energy.
• B. gravitational potential energy.
• C. chemical kinetic energy.
• D. chemical potential energy.

Tags

NGSS.MS-PS3-2

Which of the following is true about the relationship between electricity and magnetism?

• A. Electricity can be used to create a magnet.
• B. Electrical energy and magnetism cancel each other out.
• C. Magnetism and electricity cannot be converted into one another.
• D. Magnetism is based on how much gravity attracts electrical energy.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When you walk across a rug on a cold, dry winter day, you might touch a doorknob and get a shock. What causes this shock?

• A. electrons moving from the air to your hand.
• B. electrons moving from your hand to the rug.
• C. electrons moving from your hand to the doorknob.
• D. electrons moving from the rug to the wooden door.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Energy that is stored is called________.

• A. static energy
• B. kinetic energy
• C. physical energy
• D. potential energy

Tags

NGSS.MS-PS3-2

A waterfall is an example of __________.

• A. energy being created
• B. energy being destroyed
• C. kinetic energy being converted into potential energy
• D. potential energy being converted into kinetic energy

Tags

NGSS.MS-PS3-5

Two airplanes are flying in the sky in such a way that the gravitational attraction between them decreases. The planes must be flying___________.

• A. towards each other
• B. away from each other
• C. faster than the speed of sound
• D. next to each other at the same speed

Tags

NGSS.HS-PS2-4

The force that keeps satellites in orbit around earth is____________.

• A. friction
• B. gravity
• C. electrical
• D. magnetic

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Why does it take more force to move a heavy box up a ramp than to move the same box down the ramp?

• A. There is more friction on the bottom of the box when going up a ramp.
• B. Gravity is pushing the box up the ramp at the same time you are pushing the box up the ramp.
• C. When you push an object up a ramp, you are working against gravity, which pulls the box downward.
• D. When you push an object up a ramp, you are working against atmospheric pressure, which is pushing downward.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4