Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
100

When rivers and streams get too full and water flows onto land, it causes a ______.

Flood -- You get 200 extra points!!!

100

________ is when wind, water, or gravity move broken pieces of rock and sediment to other places.

Erosion -300 EXTRA points!!

100

A _________ is a long time with little rain that causes the land to get very dry.

Drought

100

Give two examples of pollution.

The teacher will tell you if you are right and you get 400 extra points!!

100

Which makes air pollution?

a. bicycles        b. plants     c. trucks

c. trucks


200

People can be harmful to the environment by doing what?

a. throwing trash on the ground

b. watering plants

c. using LESS water

a throwing trash on the ground

200

Which of these causes the most pollution?

a. people      b. animals      c. plants

a. people

200

The process of moving weathered rocks and soil by wind, water or ice is called this.

What is erosion?

200

How does litter hurt plants?

a. It hits them and makes them cry

b. It covers them and they can't get enough sunlight to make food.

c. It makes them dirty.

b. It covers them and they can't get enough sunlight to make food.

200

Which change takes the LEAST amount of time?

flood             drought             erosion

flood
300

A _________ is a long time with little rain that causes the land to get very dry.

drought

300

The introduction of harmful things into the environment is __________.

pollution

300

When rivers and streams get too full and water flows onto land, it causes a ______.

flood

300

________ is when wind, water, or gravity move broken pieces of rock and sediment to other places.

erosion

300

Which causes the MOST erosion?

light rain         heavy rain         plant growth

Heavy rain

400

Give two examples of pollution.

Teacher will tell you if you are right!!

400

How can people use wood from trees that are cut down so they are not wasted?

The teacher will decide if you are correct!

400

Which causes the MOST erosion?

light rain         heavy rain         plant growth

heavy rain

400

________ is when wind, water, or gravity move broken pieces of rock and sediment to other places.

Erosion

400

How could people use wood from trees that have been cut so the wood is not wasted?

The teacher will tell you if you are right!

500
If a tree falls and dams up a stream, or a beaver builds a dam, how will this affect animals that lives there?

The teacher will decide if you are correct!

500

When rivers and streams get too full and water flows onto land, it causes a ______.

Flood
500

How can people use wood from trees that are cut down so they are not wasted?

The teacher will decide if you are correct!

500

The introduction of harmful things into the environment is __________.

Pollution

500

Give two examples of pollution.

The teacher will tell you if you are right!

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