Conductivity and Electric Circuits

Conductivity and Electric Circuits

Assessment

Interactive Video

Physics, Science, Chemistry

6th - 8th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explores the concept of electric conductivity, focusing on how different materials, such as metals and non-metals, conduct electricity. Through a series of experiments, the video demonstrates that metals like zinc and iron are good conductors, while non-metals like sulfur and coal act as insulators. The tutorial also emphasizes safety precautions when working with electricity and encourages viewers to continue experimenting and exploring the world of science.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of electrons in an electric circuit?

To flow from negative to positive terminal

To flow from positive to negative terminal

To create light

To generate heat

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following materials is NOT needed for the conductivity experiment?

Insulation tape

Copper wire

Electric cell

Plastic rod

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when zinc is connected in the circuit?

The bulb does not glow

The bulb glows dimly

The bulb glows brightly

The circuit breaks

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which metal was tested after zinc in the experiment?

Copper

Silver

Iron

Aluminum

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result when sulfur is used in the circuit?

The bulb glows brightly

The circuit overheats

The bulb does not glow

The bulb glows dimly

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which non-metal was tested after sulfur?

Wood

Plastic

Coal

Graphite

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key safety precaution when working with electricity?

Use bare hands

Stand in water

Wear rubber gloves and shoes

Use metal wires

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