Students fix three errors — deposition defined as rock breaking, glaciers described as eroding only by melting, and rust labeled as physical weathering. Part B has four fill-in-the-blank questions about glaciers, sand dune deposition, and acid rain weathering. Part C has two short-answer questions about outdoor chemical weathering examples and why mountains shorten over millions of years.
Glacier erosion and chemical weathering examples push students past wind and rain to a fuller picture of Earth surface change.
Style:
Weathering and Erosion
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
Deposition is when rocks are broken into smaller pieces by rain and wind.
Rewrite: Deposition is when sediment carried by water, wind, or ice is dropped in a new place.
2. Fix the sentence:
Glaciers cause erosion only by melting and creating rivers of water.
Rewrite: Glaciers cause erosion by slowly grinding over rock and soil as they move, carving valleys and carrying debris.
3. Fix the sentence:
Rust on a metal fence is an example of physical weathering because the metal breaks apart.
Rewrite: Rust on a metal fence is an example of chemical weathering because a chemical reaction changes the metal into a new substance.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. A glacier is a slow-moving river of ice that carves valleys.
2. Sand dunes form when wind causes deposition of sand in one area.
3. Acid rain dissolves minerals in rock through chemical weathering.
4. A delta forms where a river deposits sediment as it enters the ocean.
Part C: Short Answer
Answer each question in one or two complete sentences.
1. Describe one example of chemical weathering you might see outdoors.
Acid rain slowly dissolves limestone statues and buildings. Over many years the surface becomes rough and details wear away because the acid changes the rock minerals.
2. Why do mountains become shorter and rounder over millions of years?
Weathering breaks apart the rock at the top and sides. Erosion by water, wind, and ice carries the broken pieces downhill. Over time the sharp peaks are worn into lower, rounded shapes.
Weathering and Erosion
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
Deposition is when rocks are broken into smaller pieces by rain and wind.
Rewrite: Deposition is when sediment carried by water, wind, or ice is dropped in a new place.
2) Fix the sentence:
Glaciers cause erosion only by melting and creating rivers of water.
Rewrite: Glaciers cause erosion by slowly grinding over rock and soil as they move, carving valleys and carrying debris.
3) Fix the sentence:
Rust on a metal fence is an example of physical weathering because the metal breaks apart.
Rewrite: Rust on a metal fence is an example of chemical weathering because a chemical reaction changes the metal into a new substance.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) A glacier is a slow-moving river of ice that carves valleys.
2) Sand dunes form when wind causes deposition of sand in one area.
3) Acid rain dissolves minerals in rock through chemical weathering.
4) A delta forms where a river deposits sediment as it enters the ocean.
★ Part C: Short Answer
Answer each question in one or two complete sentences.
1) Describe one example of chemical weathering you might see outdoors.
Acid rain slowly dissolves limestone statues and buildings. Over many years the surface becomes rough and details wear away because the acid changes the rock minerals.
2) Why do mountains become shorter and rounder over millions of years?
Weathering breaks apart the rock at the top and sides. Erosion by water, wind, and ice carries the broken pieces downhill. Over time the sharp peaks are worn into lower, rounded shapes.
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9 Questions
15-20 minutes
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