Weathering and erosion are the processes that continuously shape and reshape Earth's surface over time. Fourth graders learn that weathering breaks rocks down — through physical forces like freeze-thaw cycles and plant roots, and through chemical reactions like acid rain dissolving limestone. Erosion moves the broken material by water, wind, ice, or gravity. Deposition drops that material in a new location, building landforms like deltas, sand dunes, and moraines.
The main challenge is that students confuse weathering with erosion — they use the terms interchangeably, not realizing that weathering breaks material in place while erosion transports it. Students also struggle to distinguish physical weathering (the rock breaks but its chemical makeup stays the same) from chemical weathering (a chemical reaction changes the minerals). In Grade 3, students studied Earth's surface features; by Grade 5, they will connect weathering and erosion to the broader rock cycle and Earth systems.
Our weathering and erosion worksheets give fourth graders structured practice correcting process misconceptions, matching landforms to the forces that create them, identifying physical versus chemical weathering, predicting how erosion shapes landscapes, and connecting human activities to accelerated erosion.
Worksheet Preview
Browse all 12 printable worksheets below — click any card to open the full page.
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
Weathering and Erosion
What's Included in This Download
What You'll Learn
These weathering and erosion worksheets help grade 4 students develop essential science skills through engaging activities.
Learning Objectives
- Physical Weathering: Describe how ice, wind, and water break rocks apart
- Chemical Weathering: Explain how acid rain and oxidation change rocks
- Erosion: Identify how water, wind, glaciers, and gravity move sediment
- Deposition: Understand where eroded materials are deposited
- Landform Changes: Describe how weathering and erosion shape Earth over time
Skills Covered
How to Use These Worksheets
- Download & Print: Click the download button to get the PDF. Print on standard 8.5" x 11" paper.
- Start Simple: Begin with easier pages before moving to more challenging activities.
- Daily Practice: Dedicate 10-15 minutes each day for consistent learning.
- Use Manipulatives: Pair worksheets with physical objects like blocks or counters.
- Provide Encouragement: Celebrate progress and effort to build confidence.
- Check Progress: Use the included answer key to review work together.
Common Mistakes to Watch For
- Confusing weathering with erosion — students describe erosion as 'rocks breaking down' or weathering as 'rocks moving.' Weathering is the in-place breakdown of rock; erosion is the removal and transport of weathered material to a new location.
- Confusing physical and chemical weathering — students often attribute all weathering to mechanical forces, describing rust and acid rain as physical weathering because they see damage. Chemical weathering involves a chemical reaction that changes the mineral composition of the rock.
- Thinking erosion only occurs in deserts from wind — students underestimate water as an erosion agent, even though moving water — rivers, ocean waves, glacial melt — is responsible for most large-scale erosion on Earth.
Frequently Asked Questions
What is the difference between weathering, erosion, and deposition?
Weathering is the in-place breakdown of rocks into smaller pieces by natural forces — no movement is involved. Erosion is the transport of those weathered rock fragments and sediments to a new location by water, wind, ice, or gravity. Deposition is the dropping of that transported material when the agent (river, wind, glacier) slows down. Together these three processes are the primary shapers of Earth's landscape over geologic time.
What is the difference between physical and chemical weathering?
Physical weathering (also called mechanical weathering) breaks rock into smaller pieces without changing its chemical composition. Examples: water freezing and expanding in cracks, tree roots growing into rock, and abrasion from wind-blown sand. Chemical weathering involves chemical reactions that change the minerals in rock into new substances. Examples: acid rain dissolving limestone, oxygen rusting iron-bearing minerals, and carbonic acid dissolving rock in cave formation.
How does water cause erosion?
Moving water is the most powerful erosion agent on Earth. Rivers carry sediment particles — from fine silt to large boulders — as they flow. Fast-moving rivers cut V-shaped valleys; slower rivers deposit sediment to build deltas and floodplains. Waves crash against coastal cliffs, carrying away rock particles and carving sea arches and sea stacks. Even rainwater washing over a hillside moves soil particles downslope, gradually reshaping the land.
How do glaciers cause erosion?
Glaciers are slow-moving rivers of ice that erode rock by grinding. As a glacier moves downhill, it picks up rocks and debris that scrape and carve the bedrock below and on the sides, creating U-shaped valleys — a distinctive feature that distinguishes glacial erosion from river erosion, which creates V-shaped valleys. When a glacier melts, it deposits ridges of debris called moraines. The Great Lakes were carved by glaciers during the last ice age.
How can humans speed up or slow down erosion?
Human activities that remove plant cover — deforestation, farming, construction, and overgrazing — dramatically accelerate erosion because plant roots hold soil in place. Without vegetation, rain washes soil away and wind picks it up easily. Humans slow erosion through practices like terracing hillside farmland (creating flat steps to slow runoff), planting cover crops, building retaining walls, and restoring forests. The environmental impact of accelerated erosion includes soil loss, increased flooding, and sediment buildup in waterways.
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Can I use these in my classroom?
Absolutely! Teachers are welcome to print and use these worksheets in their classrooms. Make as many copies as needed for your students.