science 2nd grade

1- What is true about all natural resources?

• They are more made by people

• They can be replaced quickly

• They come from earth

• They take years to form

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2- How can people cut back on garbage?

• They can stop using natural resources

• They can reuse things over and over

• They can bury their trash in the ground

• They can toss their trash in the ocean

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3- Where do plants grow best?

• in topsoil

• in subsoil

• on rocks

• on tree bark

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4- How dose compost make soil healthy?

• It adds minerals

• it adds nutrients to soil

• it keeps soil from losing water

• it makes soil look much darker

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5- what should people do before they throw something away?

• find a secret place to put it

• see if it can be reused first

• make sure that is dirty

• call the trash collectors

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6-How can you tell if something is a natural resource?

• It is made by pepole

• It comes from Earth

• It turns into compost

• It is found on land

7-What causes wind?

• Thick, dark clouds

• condensation

• differences in air temperature

• sudden, short storms

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8- How does snow form ?

• water freezes and then melts

• water vapor condenses and freezes

• Ice turns to water vaper

• Ice condenses and falls from clouds

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9- How dose water get into clouds?

• stratus

• cmmulus

• cirrus

• vapor

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10- Why can rainstorms be dangerous?

• They can bring lightning and flooding

• They can cause droughts and fires

• They can block the sunlight

• They can bring too many clouds

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