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Wind blowing sand across a desert and forming sand dunes is an example of:
 
Erosion and deposition
 
weathering
 
freezing
 
flooding
After a flood, rocks and soil are found on sidewalks and streets. What does this show?
 
Erosion moved materials during the flood
 
Rocks melted
 
Weathering occurred
 
The wind carried the rocks
What force pulls water downhill and helps cause erosion?
 
gravity
 
light
 
heat
 
sound
What is sediment?
 
Soil, sand, and small rocks that can be moved by water or wi
 
Ice inside rocks
 
Melted rock
 
Air trapped underground
A scientist pours water into a crack in a rock. The water freezes overnight. The next day the crack is larger. What caused the change?
 
The water expanded when it froze
 
The rock melted
 
The rock moved downhill
 
The water evaporated
Water gets into a small crack in a rock. Overnight the temperature drops and the water freezes. What will most likely happen to the rock?
 
The rock will crack because the ice expands
 
the rock will melt
 
Nothing will happen
 
The rock will turn into soil
Ocean waves breaking rocks into smaller pieces is an example of:
 
Weathering
 
Erosion
 
Deposition
 
Flooding
Which shows the correct order of processes?
 
Weathering → Erosion → Deposition
 
Deposition → Weathering → Erosion
 
Erosion → Deposition → Weathering
 
Erosion → Weathering → Deposition
What usually happens first?
 
Weathering
 
Deposition
 
Erosion
 
Flooding
What happens when rainfall increases?
 
More erosion and more deposition occur
 
Less erosion happens
 
Weathering stops
 
Nothing changes
What is the best evidence that a flood happened?
 
Rocks and soil left on sidewalks and roads
 
Clear skies
 
Dry soil
 
Warm weather
When does deposition usually happen in water?
 
When water slows down
 
When water speeds up
 
When water freezes
 
When water disappears
What happens during deposition?
 
Materials are dropped in a new location
 
Materials break apart
 
Materials move quickly
 
Rocks turn into soil
Which example shows erosion?
 
Wind blowing sand across land
 
Water freezing in cracks
 
A rock cracking apart
 
Soil forming from rock
Which force can cause erosion?
 
wind
 
light
 
heat
 
sound
What happens during erosion?
 
Materials like sand and soil move to a new place
 
Rocks break into smaller pieces
 
Rocks change color
 
Rocks melt underground
Which example shows physical weathering?
 
Water freezing in rock cracks and breaking the rock apart
 
Sand blowing across a desert
 
Soil settling at the bottom of a river
 
A river carrying rocks downstream
What is physical weathering?
 
Rocks breaking into smaller pieces without changing material
 
Rocks melting into lava
 
Rocks disappearing into water
 
Soil being carried by wind