________ Wather that overflows its banks and covers the land.
Ocean
Sand
Erosion
Lake
Flood
Flood
The land along the edge of an ocean is called.
a. erosion
b. the coast
c. inland
d. cliffs
B the coast
It carves deep canyons into the surface of the earth.
River
It moves slowly on flat lan quickly where the land is steep.
River
How are rivers and oceans different?
Rivers have fresh water, and oceans have salt water.
Is a sea cliff a safe place to build a house? Why?
No, it is not safe to build a house on a sea cliff because of erosion. The house could fall into the sea at some point.
_______ A large body of salt water.
Ocean
Sand
Erosion
Lake
Flood
Ocean
Rivers start_____
a. in lakes
b. from melting snow
c. from underground streams
d. all of the above.
d. all of the above.
It is a body of fresh water that stays in one place on land.
Lake
If you are facing north, what direction is on the right?
East
How is flooding harmful?
Flooding is harmful because it can damage homes and carry away soil.
We know that rivers drain water from the land. What do you think would happen if there were no rivers to carry off extra water?
There would be a lot more floods and a lot more damage to buildings and homes.
______ the weathering away of the land.
Ocean
Sand
Erosion
Lake
Flood
Erosion
The water in rivers is always_____
a. causing waves
b. moving downhill
c. standing still
d. going into lakes
b. moving downhill
It may be narrow or wide and may run into another body of water.
River
If you are facing south, what direction is behind you?
North
What two oceans border the United States?
The Atlantic and the Pacific are the two oceans that border the United States.
_____ Made of broken bits of shells and rocks.
Ocean
Sand
Erosion
Lake
Flood
Sand
Large bodies of water that cover more than half the earth's surface are.
a. ocean
b. lakes
c. rivers
d. springs
a. ocean
Its powerful crashing waves can wear away even the hardest kinds of rock.
Ocean
If you are facing west, what intermediate direction is on your left?
South West
What is the longest river in North America?
Mississippi River
______ a pool of fresh water.
Ocean
Sand
Erosion
Lake
Flood
Lake
Erosion is a force that_____
a. makes lakes
b. builds up land
c. wears away the land
d. causes floods
c. wears away the land
It may wander in big loops from side to side, changing directions.
River
If you are facing southeast, what direction is behind you?
North West
What is the longest river in the world?
Th Nile river