CEIP Ginés Morata
Almería
4th GRADE MINIMUM CONTENTS
UNIT 11: SOIL
In many places, rocks are covered by a layer of
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earth called soil. Soil consists of stones, water, air,
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► SOIL: WHAT IS SOIL?
minerals and humus. Humus is the remains of dead
plants and animals.
Humus
The roots of plants grow in soil. Many small
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animals, such as earthworms, moles and ants, live in
soil. Soil is very important for plants, animals and
humans.
Plants obtain mineral salts from soil
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► SOIL IS MADE UP OF LAYERS
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Soil is made up of three main layers, each containing different
materials:
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Topsoil: This top layer contains
sand, clay, water, air and humus.
This is where the roots of plants
grow and where some animals live.
Subsoil: This middle layer contains
stones, sand, clay and some water.
There are very few living things. Bedrock: This bottom layer is
made up of rocks, and contains
very little water Equipo de bilingüismo
Javier LG
CEIP Ginés Morata
Almería
► SOIL: SOIL IS IMPORTANT FOR ANIMAL AND PLANT LIFE
Soil is very important for living things:
 Many animals and plants live in soil.
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 We extract rocks and minerals from soil.
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 Farmers grow crops in soil to provide food for us.
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 We build our homes on soil.
Equipo de bilingüismo
Javier LG
CEIP Ginés Morata
Almería
UNIT 11: SOIL
ACTIVITIES
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1.- Complete the sentences.
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a. Soil consists of ________________________________________.
b. In the top layer, you can find small animals such as ______________.
c. Subsoil contains ________________________________________.
2.- Answer the questions.
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d. The bottom layer is called _________ and it is made up of ________.
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a. What is soil made of? ____________________________________
____________________________________________________.
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b. What is humus? ________________________________________
____________________________________________________.
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c. Name two animals that live in soil. ___________________________.
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3.- Complete your bilingual dictionary.
- Layer: ________________
- Humus: _______________
- Topsoil:_______________
- Remain:________________
- Top layer: _____________
- Stone: ________________
- Subsoil: _______________
- Sand: _________________
- Middle layer: ___________
- Clay: _________________
- Bottom layer: ___________
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- Soil: _________________
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- Bedrock: ______________
- Earthworm:_____________
- Mole: ________________
- Ant: _________________
- Grow: _________________
- Crop: _________________
Javier LG