Different types of soils (non-statutory) | Starter Quiz | Oak National Academy

Soil comes from the ___.

Answer explanation

Soil comes from the earth's crust.

Soil is formed ...

• in a factory.

• when mud gets flattened.

• through weathering and erosion.

• by plant roots in the ground.

Answer explanation

Soil is formed through weathering and erosion.

Soil is made from which of these things?

• rocks

• organic matter

• glue

• plastic

• air

Answer explanation

Soil is made from: rocks that are broken down, organic matter from plants and animals, and air.

Look at the image of soil and water in a jar. Order the layers from what would settle at the top of jar to the bottom.

• clay

• pebbles

• silt

• sand

Answer explanation

The smallest pieces of rock to separate at the top of the jar of water will be clay. The next layer of tiny pieces of rock is called silt. Then sand from rocks can be observed at a lower layer. Any small pebbles in soil can be observed at the bottom.

How long does it take new soil to be made in the ground?

• one month

• one year

• many years

• one week

• one day

Answer explanation

Soil takes many years to form.

Why is soil so important?

• it is nice to dig

• it provides a place for plants to grow

• it makes a good mud pie

• it provides a home for many animals to live

Answer explanation

Soil is a very important material as it supports plant growth and provides a place for many animals to live or make their homes.