Sand, silt, clay and soil loss
Answers are for parents and teachers.
1
List sand, silt and clay from largest to smallest particles.
Sand, silt, clay.
2
Draw the soil layers and label them.
Leaf litter, topsoil, subsoil, bedrock.
3
Explain in two sentences why clay holds water.
Its particles are tiny, so the gaps are tiny and water drains slowly.
4
Write three ways to reduce erosion on a slope.
Plant trees or grass, dig trenches or steps, cover bare soil.
5
Ask a grown-up about the soil near where you live.
Answers differ.