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How Do We Use Energy?

Authored by Janecka Deer

Education, Science

2nd Grade

Used 6+ times

How Do We Use Energy?
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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What is energy?

anything that comes from the sun

something that can cause matter to move or change

a tool you use at home

Answer explanation

energy [EN•er•jee] something that can cause matter to move or change.

Energy and engine begin with the same sounds. An engine makes a car move. Energy can make anything move.

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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Where does light energy come from?

soil

water

the sun

Answer explanation

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Light energy lets us see and it comes from the sun.

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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Where does solar energy come from?

electricity

the sun

wind

Answer explanation

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solar energy [SOH•ler EN•er•jee] energy from the sun Solar and sun begin with the same sound.

Solar energy is energy that comes from sunlight.

Solar panels collect energy from the sun.

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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Jeremy turns on a fan in his home. How is he using energy?

to cool his home

to cook food

to warm his home

Answer explanation

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As the hot air rises up, the blades of the fan slice this air and push it down. This being a continuous process causes the air in the room to circulate in the entire room. A ceiling fan only moves the air around.

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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Where could you build a home to help keep it cool?

in the grass

in the shade

in the sun

Answer explanation

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It is cool in the shade below a tree but not away from it because the tree leaves reduce the amount of sunlight falling under it. Since the intensity is reduced, the person sitting under the tree feels cold.

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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You claim that homes take in and hold heat from the sun. What evidence from this model home will support the claim?

After time, the temperature inside will be higher than outside.

After time, the temperature outside will be higher than inside.

After time, the temperature inside and outside will be the same.

Answer explanation

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There is no airflow in your house if you don't have an air-conditioned. This makes the inside of a home hotter then ourside.

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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A model house is in the sun. Soon, the temperature inside the model is higher than it is outside. What can you conclude?

Electricity warms homes.

The sun warms homes.

The shade warms homes.

Answer explanation

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There is no airflow in your house if you don't have an air-conditioned. This makes the inside of a home hotter then ourside.

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