Science Grade 4A - Chapter 6.3 - Soil

The loose top layer of Earth's surface is called

• soil

• air

• life

• rocks

Soil is made up of the following substances. Select four correct answers.

• Water

• Air

• Organic Matter

• Minerals

• Magma

Soil is made up of the following substances. Which of the following are not living?

• Water

• Air

• Organic Matter

• Minerals

Soil is made up of the following substances. Which of the following are living?

• Water

• Air

• Organic Matter

• Minerals

The mineral components of soil are sand, silt and clay.

Which particle is the biggest?

• Sand

• Silt

• Clay

The mineral components of soil are sand, silt and clay.

Which particle is the smallest?

• Sand

• Silt

• Clay

Organic matter is broken down by decomposers. Which of the following are examples of decomposers?

• Worms

• Mushrooms

• hedgehog

• slugs

Broken down organic matter found in soil is called

• Humus

• Chips

• Onions

• Gravy

Soil that is made up of lots of clay will allow water to pass ____________ through it

• Slowly

• Quickly

Soil that is made up of lots of sand will allow water to pass ____________ through it

• Slowly

• Quickly