Circuits

Circuits

Assessment

Flashcard

Science

4th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the purpose of the plastic insulation around the wire in a phone charger?

Back

The plastic is an insulator that prevents electrical current from escaping and protects users from electric shock.

2.

FLASHCARD QUESTION

Front

What component carries electrical energy to devices like lightbulbs?

Back

Wires carry electrical energy to devices.

3.

FLASHCARD QUESTION

Front

What device converts electrical energy into light energy?

Back

A light bulb converts electrical energy into light energy.

4.

FLASHCARD QUESTION

Front

What is the primary source of electrical current in a circuit?

Back

A battery is the main source of current (power) in a circuit.

5.

FLASHCARD QUESTION

Front

Which appliance is used to convert electrical energy into heat energy?

Back

A hair dryer converts electrical energy into heat energy.

6.

FLASHCARD QUESTION

Front

What is an electrical circuit?

Back

An electrical circuit is a closed loop that allows electric current to flow from a power source to a device and back.

7.

FLASHCARD QUESTION

Front

What is the role of a battery in a circuit?

Back

A battery provides the electrical energy needed to power devices in a circuit.

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