Which is true of natural hazards?

Many natural hazards are caused by weather.

One benefit of wind break is

it can prevent plants from drying out

During a storm, rainwater can QUICKLY erode soil by

hitting and loosening the soil at the surface

Which is an example of how wind erosion can cause a problem for humans?

it can blow away the top layer of soil during a drought

Which is an example of tree roots slowing the effects of erosion, weathering and deposition?

tree roots hold soil in place near a river

If a scientist finds fossilized trees in what is now a desert, the fossils are evidence that

the climate there was once rainy.

Hills called sand dunes form when

wind deposits sand in one place

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Science- Earth review

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Review for Earth

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Questions 22

Answers

1
To stay safe from volcanoes, it is important for people to test
mudflow speed
soil temperatures
tsunami systems
evacuation routes
2
An area where a large number of earthquakes and volcanic eruptions occur in the Pacific Ocean
is the coast
is the Ring of Fire
is a fault line
is a mountain range
3
Weathering is the natural process of
breaking down rock
loosening bits of rock from the soil
materials settling out of water
moving soil to a different location
4
Which is true of natural hazards?
Many natural hazards are caused by weather.
Most tsunami damage happens far inland
It is impossible to prepare for a natural hazard.
Most natural hazards can be prevented.
5
Which of these form a sand dune?
erosion
temperature changes
weathering
deposition
6
Cracks in a rock getting bigger when water inside them freezes is an example of
ice wedging
sand rippling
deposition
erosion
7
One benefit of wind break is
it helps create sand dunes
it can prevent a dust storm
it can prevent plants from drying out
it makes winds weaker
8
An example of how wind changes Earth's surface in a desert is:
desert plants clustered together
a pond forming after a storm
sand ripples in the desert
fog forming in the desert
9
Eroded materials deposited in new areas is called
mud
sediment
rock
crust
10
When moving water leaves soil behind, it is called
erosion
deposition
corrosion
weathering
11
The best way to help prepare for natural disasters is
keep the windows and doors closed at all times
watch your pets for unusual behavior.
make an emergency supply kit.
always carry water with you.
12
Water carrying soil from a garden to a sidewalk is an example of
erosion
raining
deposition
weathering
13
During a storm, rainwater can QUICKLY erode soil by
hitting and loosening the soil at the surface
all of the above
getting absorbed by plant roots in soil
soaking into the soil and making it damp
14
Which is an example of how wind erosion can cause a problem for humans?
it can cut a hold in a cliff
it can blow away the top layer of soil during a drought
it can crack large rocks in two
it can carve deep canyons
15
Oldest fossils are usually found...
on top of mountains
floating in rivers
deep underground
on beaches
16
Which is an example of tree roots slowing the effects of erosion, weathering and deposition?
tree roots grow quickly near a river
tree roots break large rocks
tree roots hold soil in place near a river
tree roots get worn away
17
A place where magma erupts is called
a fault line
a volcano
any mountain
a canyon
18
Sometimes flat ____________ on hillsides are made to prevent soil erosion.
windbreaks
terraces
dams
roads
19
If a scientist finds fossilized trees in what is now a desert, the fossils are evidence that
the area used to be home to tiny animals.
the climate there was once rainy.
the climate has not changed.
the area used to have no carnivores.
20
The ring of fire circles the
North Pole
United States
Pacific Ocean
Equator
21
Sand is made up of
crushed animal bones
dried out soil
powdered clay
weathered bits of rock
22
Hills called sand dunes form when
the roots of plants hold sand in one place
water deposits in valleys
wind deposits sand in one place
burrowing animals dig holes

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