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Earth Science
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Review of National Geographic 2nd Grade Earth Science
Flashcards
18 cards
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Practice quiz
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Host live
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Questions
18
Answers
1
The picture shows a newly formed gully running across a farm field. How was it formed?
Digging Animals
Moving water
Blowing wind
2
which of these is a SLOW change to the land?
water weathering rock to make its surface smooth
a landslide causing rocks to move down a hillside
melted rock erupting from a volcano
3
What is a glacier?
Water surrounding the continents
A slow-moving sheet of ice
A fast-moving mountain stream
4
Wind can blow away soil needed for crops. What can a farmer do to block the wind?
pave the land around the crops
plant a row of tall bushes
farm on the higher ground
5
Which covers more of Earth's Surface?
Lakes
Oceans
Rivers
6
A flood can change the shape of the land. Which of these structures can help control flooding?
a levee
a windbreak
a rain garden
7
Which best describes how water moves?
It runs in circles
It moves uphill and downhill like a road
It runs downhill
8
How does the water in a river usually move when the river reaches flatter ground?
It stops
It speeds up
It slows down
9
Which is the smallest body of water ?
An ocean
A pond
A lake
10
Which of these changes to Earth's surface could YOU actually observe while it is happening?
A
B
C
11
The wind is carrying sediment that is hitting a rock. How is wind changing a rock?
The wind is building up the rock
The wind is moving the rock
The wind is weathering the rock
12
How can people stop runoff from eroding soil?
build a levee
build a windbreak
build a rain garden
13
What do rocks that have been weathered and eroded by moving water usually look like?
Colorful
Square with sharp edges
Round and smooth
14
Look at the pictures of the beach and the gorge. Which will water change faster?
They will change at the same rate
Water will change the gorge faster
Water will change the beach faster
15
What does the surface of rock that water has been running over for hundreds of years feel like
Smooth
Rough
Sticky
16
Which of the following are most likely to be found on a physical (landform) map?
Photographs of plants and animals
History of different countries
Lakes, rivers, and oceans
17
Wind & Water can move rocks from a place to a new place. What is this process called?
Weathering
Erosion
Erupting
18
What is happening when Earth's surface moves and shakes?
Water is weathering a rock
An earthquake is occurring
Wind is eroding rock
