Sun's Heat and Light

How are the Sun, campfire, and streetlight alike?

• They all give off heat and mechanical energy

• They all give off electrical and heat energy

• They all give off light and conduct heat energy

• They all give off kinetic and potential energy

What is the best example of an object that gives off light and heat energy?

• An electric light bulb

• A microwave oven

• An electric frying pan

• Brakes on a car

The Sun provides which energy?

• Wind Energy

• Solar Energy

• Mechanical Energy

• Fossil Fuel Energy

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What kind of energy travels from the Sun in waves?

• chemical energy

• electrical energy

• radiant energy

• temperature energy

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Much of the energy the Earth receives from the Sun is in the form of what energy?

• temperature

• light

• sound

• electrical

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Which action is a source of heat but not of light?

• turning on the stove burner

• lighting a fire

• turning on a lamp

• rubbing your hands together

Look at the picture. Which statement is correct?

• The tree blocks some of the Sun's radiant energy from heating the area around it, so the people are cooler where they are standing

• There is more wind in the shaded area of the tree, so where the people are standing it is cooler.

• The tree reflects all the Sun's radiant energy so there is no warmth where the people are standing

• Hot air from the ground keeps the sunny area hot so the people are cooler in the shade

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The Sun helps people and animals in many ways EXCEPT for which of the following

• Earth receives light from the Sun

• Earth receives warmth from the Sun

• Earth receives energy from the Sun

• Earth receives water from the Sun

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A lightbulb's main purpose is to provide light energy but what other energy does it provide?

• mechanical

• heat

• sound

• electrical

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On a stage the lights are all on and after a few minutes the actor begins to feel hot. What is causing the actor to feel hot?

• the stage lights produce light energy

• the stage lights are rubbing against each other

• the stage lights are decreasing the temperature

• the stage lights produce heat and light energy