Science Check for Understanding 4.6A

1.  Energy produced by the increasing movement of particles in matter is called --

• Thermal

• Electrical

• Sound

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2.  Electrical energy can change forms.  When you turn on a light switch, electricity travels through the wires to a light bulb.  The light bulb then changes the electrical energy into _____ energy.

• Sound

• Light

• Magnetic

• Mechanical

3. A form of energy that can travel through space and gives us the ability to see objects is _____.

• Mechanical Energy

• Light Energy

• Sound Energy

• Electrical Energy

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4. Which of the following sources provides most of the energy on Earth?

• air

• volcanoes

• sun

• water

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5. Which type of energy is caused by a vibration?

• Light

• Sound

• Wind Power

• heat

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Which is an example of mechanical energy?

• Bicycle

• computer

• cell phone

• digital clock

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Which of the following items is / are conductors?

• Wool

• Copper

• Plastic

• Glass

Which of the following is an example of a poor conductor?

• Oven Mitt

• Metal pot

• Metal pan

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A conductor does not allow heat or electricity to flow through an object.

• True

• False

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Insulators are materials that-

• A material that does allow thermal energy to flow through easily.

• A material that is magnetic and does not allow thermal or electricity to pass through easily

• A material that is not magnetic and stops thermal energy from passing through easily

• Material that is magnetic and does not allow thermal energy to flow through easily

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