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WorksheetsSlow Changes of the Earth
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
Moraines like these are deposits left by:
a)
oceans
b)
glaciers
c)
rain
d)
rivers
2.
Over a period of time, a waterfall can:
a)
erode rocks
b)
evaporation
c)
build mountains
d)
freeze
3.
Rock and soil moved by glaciers and rivers is an example of:
a)
erosion
b)
freezing
c)
build mountains
d)
evaporation
4.
Which of the following is an example of erosion?
a)
sunlight causes old newspapers to yellow and crack
b)
fruits rotting
c)
a river carries away soil from its bank
d)
warming temperatures break up ice on a lake
5.
Which of the following can cause weathering?
a)
wind and water
b)
water and plant roots
c)
sun, wind, and water
d)
wind, water, sun, and plant roots
6.
The Colorado River has been carving the Grand Canyon for:
a)
6,000 years
b)
600 years
c)
6 million years
d)
60 years
7.
What is an example of water causing weathering?
a)
Water can seep in cracks, freeze, and force the rocks apart.
b)
Rain can pound on the rocks like tiny hammers.
c)
Ocean or river waves slam into rocks causing them to split
d)
All of these
8.
Different colors in rock represent different kinds of ______________.
a)
feldspar
b)
clay
c)
minerals
d)
granite
9.
Grooves such as these are caused by:
a)
glaciers
b)
ocean waves
c)
rainfall
d)
rivers
10.
A waterfall erodes because:
a)
soft rock erodes faster than hard rock
b)
water flows uphill for a time
c)
hard rock erodes faster than soft rock
d)
u-shaped valleys form
11.
When rivers reach flat land and the water slows down...
a)
ice forms
b)
u-shaped valleys form
c)
the soil and rocks settle to the bottom
d)
v-shaped valleys are formed
12.
Where a river reaches a larger body of water, often a landform called a ________ is formed.
a)
moraine
b)
u-shaped valley
c)
waterfall
d)
delta
13.
Sand, soil, or rock that is deposited by a river is called ______________.
a)
erosion
b)
sediment
c)
moraines
d)
clay
14.
The process of building up new land by water dropping rocks, soil, or sand is called __________.
a)
deposition
b)
weathering
c)
sedimentation
d)
erosion
15.
Some rocks break down because the minerals in them ________________.
a)
condense
b)
dissolve
c)
settle
d)
freeze
16.
The breaking down or wearing away of rocks is called ____________________.
a)
evaporation
b)
weathering
c)
freezing
d)
melting
17.
When air cools in the atmosphere, water molecules move more slowly and form ______________.
a)
a gas
b)
snow
c)
dust particles
d)
condensation droplets
18.
About _____ of the earth is covered by water.
a)
three-fourths
b)
90%
c)
two-thirds
d)
97%
19.
The heating of water causes it to _______.
a)
contract
b)
evaporate
c)
dissolve
d)
move slowly
20.
The amount of water on earth today compared to ancient times is _________.
a)
about the same
b)
less
c)
always changing
d)
more
21.
When water changes into a gas, it is called ________________.
a)
steam
b)
condensation
c)
water vapor
d)
precipitation
22.
The smallest particle of water is called:
a)
a molecule
b)
water vapor
c)
mixture
d)
a droplet
23.
Rain, snow, and hail are all forms of
a)
condensation
b)
precipitation
c)
evaporation
d)
collection
24.
When water molecules cling and form a dome shape, this is called _______.
a)
surface tension
b)
collection
c)
contraction
d)
static cling
25.
Water clings to surfaces when water molecules:
a)
become larger and heavier
b)
are attracted to other molecules
c)
evaporate
d)
heat up
26.
Water is not able to bulge above the top of a glass.
a)
True
b)
False
27.
Fog and dew on the grass in the morning are examples of _______________.
a)
condensation
b)
evaporation
c)
collection
d)
precipitation
28.
When water freezes it __________.
a)
contracts
b)
expands
c)
stays the same
29.
The molecules in ice are different than liquid water because the molecules are:
a)
closer together than in liquid water
b)
moving more quickly
c)
farther apart than in liquid water
d)
larger
30.
When water seeps into the cracks of rock and freezes, the _______________.
a)
cracks disappear
b)
cracks get smaller
c)
rock is eroded
d)
cracks get bigger
31.
When streams and rivers erode the land, they form _____________.
a)
glaciers
b)
valleys
c)
minerals
d)
moraines
32.
____ of the earth's water is fresh and unfrozen.
a)
97%
b)
less than 3%
c)
15%
d)
75%
33.
Land that is surrounded by water on 3 sides of it is called...
a)
bay
b)
plateau
c)
peninsula
d)
island
34.
A narrow water path that connects two larger bodies of water is called...
a)
strait
b)
valley
c)
plateau
d)
island
35.
A large area of rock with a flat top is called a.....
a)
peninsula
b)
mountain
c)
hoodoo
d)
plateau
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