14. Electricity and Circuits Worksheet – Science

1. Connecting wires are made up of electric ____________. (Olympiad)

2. In a battery electrical energy is obtained from ___________. (Olympiad)

3. Which material is placed wrongly in the classification chart?

4. Select the INCORRECT match:

5. What is the primary function of solar cells? (Remember)

6. A(n) _____ is a pathway for electric current, and it must include a source of electricity, like a cell or battery, and be connected to devices that use electricity, like a bulb, through a(n) _____ that forms an unbroken _____.

7. An electric cell is used as source of electricity in _____________. (Olympiad)

8. In the realm of electrical conduction, one must ponder which materials partake in the symphony of electrons and which stand as silent spectators. Consider the following:

I.A coin, a humble participant, partakes eagerly in the conduction of electricity.

II.The stoic rubber, an observer, resists the flow of electrical currents.

III. The human body, surprisingly, joins the dance of electrons as a reluctant conductor.

IV. Seawater, vast and conductive, becomes a sea of electrical pathways.

Which of these materials accurately represent the roles of conductors?

9. In the circuit shown, what is the role of the component labeled with number 1? (Remember)

10. Which components of the light bulb in the image are essential for its proper functioning when electricity is applied? (Choose all that apply)