Grade 9 Creative Tech 1st Quiz

1. What is electricity mainly caused by?

• Heat from the sun

• Movement of protons

• Flow of electrons

• Sound vibrations

2. Which of the following best describes electricity?

• Flow of heat energy

• Flow of sound waves

• Flow of air particles

• Flow of electric charge

3. What type of electricity is commonly seen in lightning?

• Dynamic electricity

• Current electricity

• Static electricity

• Alternating electricity

4. Which of the following is an example of static electricity?

• Flashlight turned on

• Blender operating

• Rubbing a balloon on hair and making it stick to the wall

• A cellphone charging

5. What happens when you rub a balloon on your hair?

• It becomes cold

• It stores mechanical energy

• It loses electrons and becomes neutral

• It gains or loses electrons, creating static charge

6. Which device below works using static electricity principles?

• Electric fan

• Microwave oven

• Photocopy machine

• Television

7. Static electricity is caused by:

• Movement of charges through a wire

• Continuous current from a battery

• Buildup of electric charge on a surface

• Flow of alternating charge

8. 8. Which material can demonstrate static electricity when rubbed with a balloon?

• Water

• Paper bits

• Metal rod

• Glass of juice

9. What type of electricity involves no continuous flow of charge?

• Alternating Current

• Static Electricity

• Direct Current

• Dynamic Electricity

10. Why is it important to learn about electricity?

• To be able to create video games

• To use electrical appliances properly and safely

• To become a singer

• To avoid reading books