Which of the following describes rapid changes in the surface of the Earth by water?

moving soil by heavy rain and flooding

What would a geotechnical engineer think about for her/his job?

if earthquakes will damage a building

How long do you think it takes to break rocks down into soil?

More than a thousand years to form even one inch of soil.

What effect do people have on the environment?

They can create change good or bad.

Which is an example of weathering?

rocks being broken apart by freezing water

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Earth Science-3rd grade

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3rd grade Earth Surface

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Questions 12

Answers

1
Weathering --------------
deposits things here and there.
breaks things down.
creates new houses.
causes things to move.
2
What is made from weathered rock and the decomposition of plant and animal remains?
soil
a fossil
mineral
saltwater
3
Which of the following describes rapid changes in the surface of the Earth by water?
moving sand by high wind speeds
shaking of buildings and bridges
spewing gases and ashes in the air
moving soil by heavy rain and flooding
4
Look at the picture. It shows what type of rapid change?
Volcano
Flood
Earthquake
Landslide
5
What would a geotechnical engineer think about for her/his job?
how to get electricity into a new building
how to make car engines that use less gas
if earthquakes will damage a building
why a car engine isn’t working
6
What is the main ingredient in soil?
decayed animal material
decayed plant material
water
weathered rock
7
Look at the picture. What rapid change has occurred?
Volcano
King Kong walking around Earth
Flood
Earthquake
8
How long do you think it takes to break rocks down into soil?
Forever.
Rocks are not a part of soil.
More than a thousand years to form even one inch of soil.
A few minutes.
9
What effect do people have on the environment?
They cause no change on the environment.
They can create change good or bad.
10
Which of the following can be caused by weathering?
rocks melting to form magma
cracks forming in a boulder
glaciers forming on a mountainside
pebbles combining to form a large rock
11
Which is an example of weathering?
sand being moved by strong winds
soil being carried downstream by fast-moving water
rocks being formed by volcanoes
rocks being broken apart by freezing water
12
Which of the following events changes land quickly?
mountains forming
decomposition
earthquakes
moving glaciers

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