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Matt Balanda, BS (Aerospace Engineering) |
Science Teacher
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Matt Balanda, a Calvary Chapel Christian School leader with a Bachelor's in Aerospace Engineering and Mathematics, transitioned from Aerospace Engineering to Education with a Master's from California Baptist University. As the High School Vice-Principal and Physics teacher, he nurtures students' love of learning and faith, creating an enriching and transformational educational experience.
, BS (Aerospace Engineering)
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We have this Grade 9 electricity quiz for you. An electric current is a flow of electric charge. In electric circuits, moving electrons in a wire often carries this charge. Electrical hazards can cause burns, shocks, and electrocution (death). Test your knowledge of electricity, its production, and safety techniques through the test below. All the best as you explore this quiz! We hope you score high on this quiz. Let's go!

• 1.

### Receiving an electric shock from a doorknob is an example of ____________.

• A.

Static electricity

• B.

Current electricity

• C.

Spontaneous electricity

• D.

None

A. Static electricity
Explanation
Receiving an electric shock from a doorknob exemplifies static electricity. This occurs when objects build up an imbalance of electric charge due to friction or contact with other charged objects. When you touch a doorknob, the accumulated static charge on your body discharges suddenly, resulting in a brief but noticeable electric shock. Static electricity is distinct from current electricity, which involves the continuous flow of electrons through a conductor.

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• 2.

### What kind of charge does an electron have?

• A.

Negative

• B.

Positive

• C.

Neutral

• D.

It depends

A. Negative
Explanation
Electrons have negative charges.

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• 3.

### What is static electricity caused by?

• A.

A balance of positive and negative charges

• B.

A balance of power

• C.

A balance of various positive charges

• D.

An imbalance of positive and negative charges

D. An imbalance of positive and negative charges
Explanation
An imbalance of positive and negative charges causes static electricity.

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• 4.

### Which of these materials is an insulator?

• A.

Rubber

• B.

Copper

• C.

Aluminum foil

• D.

Iron

A. Rubber
Explanation
Rubber is a good insulator.

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• 5.

### Which of these materials is a good conductor?

• A.

Gold

• B.

Plastic

• C.

Wool

• D.

All

A. Gold
Explanation
Gold (and most other metals) are good conductors.

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• 6.

### Which of these is NOT required in order to have a complete circuit?

• A.

Light switch

• B.

Source of electricity

• C.

• D.

Wires or path

A. Light switch
Explanation
Many circuits have switches, but switches are not REQUIRED to have a complete circuit.

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• 7.

### When you attach a battery to an electric light bulb, what process makes the bulb light up?

• A.

Protons flowing from the battery into the bulb

• B.

Chemicals moving from the battery through the wire

• C.

Electrons flowing through the circuit

• D.

All of these

C. Electrons flowing through the circuit
Explanation
The flow of electrons causes a light bulb to light up.

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• 8.

### What should you not bring near an electric appliance?

• A.

Water

• B.

Plastic

• C.

Wind

• D.

Rubber

A. Water
Explanation
You should never have an electric appliance near water or other liquids because those are good conductors of electricity. This could cause you to get shocked.

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• 9.

### A current needs a path to flow along, also known as a

• A.

Resistor

• B.

Power source

• C.

Circuit

• D.

Fire

C. Circuit
Explanation
A current flows along a path known as a circuit.

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• 10.

### Why do we coat wires with plastic or rubber?

• A.

Because those materials are good insulators

• B.

Because they are flexible

• C.

Because those materials look nicer than copper wire

• D.

All of these are correct.

A. Because those materials are good insulators
Explanation
We coat wires with plastic or rubber because those materials are good insulators. It keeps us from getting shocked.

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Matt Balanda |BS (Aerospace Engineering) |
Science Teacher
Matt Balanda, a Calvary Chapel Christian School leader with a Bachelor's in Aerospace Engineering and Mathematics, transitioned from Aerospace Engineering to Education with a Master's from California Baptist University. As the High School Vice-Principal and Physics teacher, he nurtures students' love of learning and faith, creating an enriching and transformational educational experience.

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• Current Version
• Jun 17, 2024
Quiz Edited by
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Expert Reviewed by
Matt Balanda
• Jan 07, 2016
Quiz Created by
Dustysquirrel

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