أوراق عمل Electricity العلوم المتكاملة الصف الرابع

أوراق عمل Electricity العلوم المتكاملة الصف الرابع

1. a path through which electric current can flow

A. circuit B. insulator C. conductor

2. A material through which electricity flows easily is called?

A. An insulator B. A conductor

3. Electrically charged particles ———–when flowing through a resistor.

A. lose energy B. Save energy

4. Which type of circuit has only one conduction path (one wire)?

A. Series circuit B. Parallel circuit

5._____. A flow of electrical charges is known as

A. Resistance B. electrical current C. voltage

6. You are asked to design a product that will change electrical energy to heat energy. Choose the item you would research while developing your product.

A. Hair dryer B. Alarm clock C. Ceiling fan D. Cell phone

7. _____. A switch in a circuit

A. acts as an insulator B. absorbs electricity C. allows or stops the flow of electricity

8. __In an electric circuit, a battery can act as a

A. voltage source B. conductor C. insulator D. resistor

9. In a diagram, where is the Voltage source in this picture? Circle it .

10. Draw an example of parallel circuit using (2 lightbulbs, wires , battery , switch ) Label the terms in the drawing ( 4 marks )

11. In the circuit below, put the terms is its suitable place
( wire, switch, battery, lightbulb) ( 4 marks )

12. What does the battery do in the circuit ?

A. Switch the electricity B. Provide electricity C. Provide light energy

13. In the heater, what happen to the electrical energy?

A. Change to light energy B. Change to heat energy C. Change to energy of motion

14. Which one is an example of insulator?

Metallic pan        Paper           Coin

15. Write any new vocabulary or information you know about electricity ?

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