Students complete nine sentences about fan-shaped river deltas, abrasion by wind-blown sand, and how plant roots hold soil in place against runoff. The matching activity pairs delta, sand dune, moraine, and canyon with the erosion and deposition processes that formed each landform.
Matching specific landforms to the processes that created them develops cause-effect reasoning and connects classroom concepts to observable landscapes.
Style:
Weathering and Erosion
Part A: Fill in the Blank
Write the missing word or number on each line.
1. A delta is a fan-shaped deposit of sediment at the mouth of a river.
2. Wind picks up tiny particles of sand and blasts them against rocks in a process called abrasion.
3. Plants help prevent erosion because their roots hold the soil in place.
4. A U-shaped valley is formed by the slow movement of a glacier.
5. The Grand Canyon was carved over millions of years mainly by the Colorado River.
6. When ice melts and refreezes repeatedly, the process is called freeze-thaw weathering.
7. The layer of broken rock and organic matter on Earth's surface is called soil.
8. Waves deposit sand along the shore to form beaches.
9. Rust forms on iron when it reacts with oxygen and water.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
delta
→ fan-shaped river deposit
deep valley carved by a river
sand dune
→ hill of wind-deposited sand
hill of wind-deposited sand
moraine
→ ridge left by a glacier
fan-shaped river deposit
canyon
→ deep valley carved by a river
ridge left by a glacier
Weathering and Erosion
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) A delta is a fan-shaped deposit of sediment at the mouth of a river.
2) Wind picks up tiny particles of sand and blasts them against rocks in a process called abrasion.
3) Plants help prevent erosion because their roots hold the soil in place.
4) A U-shaped valley is formed by the slow movement of a glacier.
5) The Grand Canyon was carved over millions of years mainly by the Colorado River.
6) When ice melts and refreezes repeatedly, the process is called freeze-thaw weathering.
7) The layer of broken rock and organic matter on Earth's surface is called soil.
8) Waves deposit sand along the shore to form beaches.
9) Rust forms on iron when it reacts with oxygen and water.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
delta
→ fan-shaped river deposit
deep valley carved by a river
sand dune
→ hill of wind-deposited sand
hill of wind-deposited sand
moraine
→ ridge left by a glacier
fan-shaped river deposit
canyon
→ deep valley carved by a river
ridge left by a glacier
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10 Questions
10-15 minutes
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