Science · Earth's surface
Weathering and Erosion Quiz
How water, wind, ice and plants break down rock and move soil, and how people slow erosion.
- 🎓 Grades 3–4
- 🧪 Science
- 📐 4-ESS2-1
- ❓ 20 questions
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What is weathering?
- A Moving soil far away
- B Making clouds
- C Breaking rock into smaller pieces
- D Melting rock
What is erosion?
- A Moving rock and soil to new places
- B Cooling lava
- C Growing crystals
- D Breaking rocks without moving them
What is deposition?
- A Breaking rocks
- B Freezing water
- C Dropping sediment in a new place
- D Making magma
Which is the biggest cause of erosion on Earth?
- A Moving water
- B Snowmen
- C Sunlight
- D Animals
How can ice break rocks?
- A Ice makes rocks hot
- B Ice glues rocks together
- C Water freezes in cracks and expands
- D Ice melts rocks
How can plants cause weathering?
- A Leaves melt rock
- B Roots grow into cracks and split rock
- C Seeds push rocks uphill
- D Flowers dissolve sand
What landform did the Colorado River carve over millions of years?
- A The Grand Canyon
- B The Sahara
- C The Great Lakes
- D Mount Everest
What do plant roots do to help stop erosion?
- A Make soil hot
- B Dig holes
- C Wash soil away
- D Hold soil in place
What carries sand in the desert to form dunes?
- A Rivers only
- B Glaciers
- C Earthquakes
- D Wind
A huge sheet of moving ice that carves valleys is a…
- A Volcano
- B Glacier
- C Delta
- D Dune
Where a river drops sediment as it enters the sea, it forms a…
- A Glacier
- B Canyon
- C Mountain
- D Delta
Which helps slow beach erosion?
- A Driving on dunes
- B Removing all plants
- C Digging deep holes
- D Planting dune grass
What is soil made of?
- A Only sand
- B Bits of rock, humus, water and air
- C Only leaves
- D Only water
What is humus?
- A Dark matter from rotted living things
- B A type of rock
- C A layer of ice
- D A kind of cloud
Which type of soil holds the most water?
- A Pebbles
- B Clay
- C Sand
- D Gravel
Which type of soil lets water drain the fastest?
- A Humus
- B Clay
- C Silt
- D Sand
A landslide moves rock and soil because of…
- A Sound
- B Magnetism
- C Sunlight
- D Gravity
Which is a sign of chemical weathering?
- A Rocks rolling downhill
- B Rust on rocks
- C Sand in a dune
- D Ice on a lake
Farmers plant rows across a hillside to…
- A Make the soil slide
- B Make rocks bigger
- C Grow taller trees
- D Slow water and stop erosion
Rounded, smooth stones in a river were shaped by…
- A Animals biting them
- B Water rubbing them over time
- C Snow melting
- D Lava
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