Magnetic Forces and Energy Concepts

Magnetic Forces and Energy Concepts

Assessment

Interactive Video

Physics

6th - 8th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explores System 3 in a magnetic field lab, focusing on the behavior of two bar magnets. The experiment involves aligning the magnets with like poles facing each other and observing their interactions at different distances. The video demonstrates how potential and kinetic energy vary as the distance between the magnets changes, using a ruler for measurement. The tutorial concludes with a discussion on energy changes when the magnets are placed together.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial setup of the magnetic field lab in this video?

Two bar magnets placed end to end

One bar magnet and one iron rod

Two bar magnets with similar poles facing each other

Two bar magnets with opposite poles facing each other

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the magnets are placed three centimeters apart?

They attract each other

They rotate

They do not move

They repel each other

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is there no kinetic energy observed when the magnets are three centimeters apart?

Because they are too far apart

Because they are too close

Because they are aligned with opposite poles

Because they are aligned with similar poles

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is observed when the magnets are placed two centimeters apart?

They stick together

They repel slightly and one flips

They attract each other strongly

They do not move

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of energy is present when the magnets are two centimeters apart?

No energy

Both potential and kinetic energy

Only kinetic energy

Only potential energy

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the magnets are placed one centimeter apart?

They attract each other

They repel and move back a few centimeters

They do not move

They rotate in place

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is required to keep the magnets one centimeter apart?

A lot of effort

No effort

They stay apart naturally

A little effort

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