Sound and Electrical Energy Review

Sound and Electrical Energy Review

Assessment

Flashcard

Science

4th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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16 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is sound caused by?

Back

Sound is caused by vibrations.

2.

FLASHCARD QUESTION

Front

What is the main source of current (power) in a circuit?

Back

The main source of current in a circuit is a battery.

3.

FLASHCARD QUESTION

Front

Which object would best complete a circuit?

Back

A battery.

4.

FLASHCARD QUESTION

Front

Why is it necessary for the metal parts of the wires to touch the metal parts of the battery and receiver/load?

Back

Because the metal is a conductor and allows the electricity to flow easily through.

5.

FLASHCARD QUESTION

Front

What matter does sound travel the fastest in?

Back

Sound travels the fastest in solids.

6.

FLASHCARD QUESTION

Front

What is a conductor?

Back

A conductor is a material that allows electricity to flow through it easily.

7.

FLASHCARD QUESTION

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow through it easily.

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