Forces and Energy Exploration Quiz

Which of the following is an example of mechanical energy?

• A glowing light bulb

• A rolling ball

• A hot stove

• A ringing bell

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What happens when an electrically charged object is brought near an uncharged object?

• The uncharged object will always repel the charged object.

• The uncharged object will be attracted to the charged object.

• The uncharged object will become charged and repel the charged object.

• There will be no effect on the uncharged object.

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Which form of energy is primarily involved when a toaster is used to make toast?

• Chemical energy

• Light energy

• Heat energy

• Sound energy

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How can you demonstrate that electrical energy can be transformed into light energy?

• By using a battery to power a light bulb

• By rubbing two sticks together to create fire

• By using a magnifying glass to focus sunlight

• By using a windmill to generate electricity

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Which of the following scenarios best illustrates energy causing motion?

• A book sitting on a shelf

• A car engine running and moving the car forward

• A light bulb turned off

• A cold ice cube in a freezer

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Explain how a charged balloon can attract small pieces of paper.

• The balloon heats up the paper, causing it to move.

• The balloon creates a magnetic field that pulls the paper.

• The balloon transfers its charge to the paper, causing attraction.

• The balloon's charge induces a charge in the paper, causing attraction.

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Describe an experiment to show that electrical energy can be transformed into sound energy.

• Connect a battery to a light bulb and observe the light.

• Connect a battery to a buzzer and listen for sound.

• Connect a battery to a fan and feel the air movement.

• Connect a battery to a heater and feel the warmth.

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Which of the following is an example of energy causing a change?

• A rock sitting on the ground

• A plant growing towards the light

• A book lying on a table

• A car parked in a garage

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What is the primary form of energy used by a flashlight?

• Chemical energy

• Sound energy

• Heat energy

• Mechanical energy

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How can you demonstrate that an electrically charged object can repel another charged object?

• By using a magnet to move a metal object

• By rubbing two balloons together and observing their interaction

• By placing a charged balloon near a wall

• By using a battery to power a motor

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