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Soil
Soil, Soil, Soil
Components of Soil.
Investigating Soil
More soil
100

An earthworm is an example of a 

Decomposer

100

Our science investigation measured the amount of _____ held by soil.

a. nutrients

b. moisture

c. air

d. organic matter

Answer is b. moisture

100
A small rock particle found in soil and on beaches
Sand
100
Why is soil so important for plant growth? A. Plants get sunlight from the soil B. Plants get nutrients from the soil C. Plants get roots from the soil D. Plants get warmth from the soil
Answer is B
100

What are the 4 components of Soil?

Water, Organic Matter, Minerals/Rocks and Air.

200

This is the type of soil that contains decomposed plants and animals.

Humus

200

True or false: all soil has the same texture

False - all soil types feel different

200

A nonorganic material that eroded over a long period of time to form soil. 

Rocks

200

Without decomposers our planet would be full of this.

Waste!

200

Soil texture means this. 

The way the soil FEELS. 

300

True or False - air and sunlight can be broken down by decomposers. 

False - only plants and animals can be broken down by decomposers. 

300

This is when wind, water, or ice slowly carry soil, sand, or rocks from one place to another. 

Erosion

300

contains decomposed plant and animal matter

humus

300

Worms, bacteria, and fungus are all examples of 

Decomposers - they break down dead plants and animals 

300
True or False: A soil that plants grow well in has a mixture of rock particles and humus.
True
400
The bottom layer of soil. It is made up of layers of rocks. No plants or animals can live here.
Bedrock
400

True or false - soil helps the roots of plants get sunlight.

False - soil helps the roots of plants grow upright

400

This soil is found near rivers and is powdery when dry.

silt

400
True or False: Soil from different places contain different amounts of components?
True
400

True or False - soil gets its nutrients from the sun. 

False - soil gets nutrients from decomposers

500

This type of soil will INCREASE drainage. 

Sand - large particles in sand allow water to pass through easily. 

500
___________________ is the movement of weathered material.
Eroision
500

the smallest rock particle found in soil, feels sticky when wet.

clay

500

materials that plants get from the soil to grow and develop are called _________________.

Nutrients

500

True or false - all types of soils are made from the same material.

False - soils are made from DIFFERENT types of material