Presentation on theme: "What is soil?. Soil is the top layer of the Earth’s surface. It’s found on the ground. Plants grow in soil. Soil is a natural resource. Natural resources."— Presentation transcript:
What is soil?
Soil is the top layer of the Earth’s surface. It’s found on the ground. Plants grow in soil. Soil is a natural resource. Natural resources come from the Earth.
What is soil made of?
Soil is made of broken pieces of rock
Pieces of rocks are mixed with tiny parts of dead plants and dead animals
Soil has air and water trapped inside it
Many animals live in soil Bacteria Flies Worms Woodlice
How do plants use soil?
Plants need soil for nutrients and water. Most plants have roots that go deep into soil. Roots take in water and nutrients from the soil
How can you improve soil?
Making a compost heap
What’s a compost heap?
-It’s a pile of rotting food -It’s made of fruit and vegetable scraps, and leaves
The tiny living things in the compost turn the food scraps into fresh soil
Discuss with your partner what you know about… -Natural resource -Top layer -Dead plants and animals -Broken rocks -Air -Compost heap -Water -Roots -Nutrients