Energy 4th Science Quiz

What is the definition of energy in science?

• The ability to play video games and use computers

• The ability to do work

• The force that moves an object

• The process of cooking a meal

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Which of the following is NOT a property of light?

• Light can reflect

• Light can bend or refract

• Light can be absorbed

• Light can be heavy

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What happens when light hits an opaque material/object?

• It allows light to pass through so that objects behind can be distinctly seen

• It allows light, but not detailed images, to pass through

• It does not allow you to be seen through them

• It bounces off and is reflected into your eyes

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What is the relationship between light energy and heat (thermal) energy?

• Light energy can only be converted into electrical energy

• Light energy and heat energy are completely unrelated

• Light energy is related to heat energy because some objects absorb light and become warm

• Light energy destroys heat energy

Which of the following materials would allow light, but not detailed images, to pass through?

• Opaque materials

• Clean glass window

• Waxed paper or a stained glass window

• Mirror

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What happens to light when it moves from water to air?

• It speeds up and the location of the object appears distorted.

• It disappears completely.

• It changes color.

• It moves at the same speed and the object's location appears the same.

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What is the term used to describe the bending or changing direction of light as it passes through different materials?

• Reflection

• Diffraction

• Refraction

• Absorption

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What is sound energy?

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How can sound be described?

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What is pitch in terms of sound?

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