Soil

Front

Which of the following is not a type of soil? minerals, clay, topsoil, sand

Back

minerals

Front

Weathering

Back

the breakdown of rocks into smaller pieces

Front

What does the organic matter in soil consist of?

Back

Humus, bits of rock, minerals

Front

The four main ingredients of soil are...

Back

water, air, rocks, and humus

Front

Decomposition is...

Back

nature's way of recycling, the breaking down of once living plants and animals, decaying

Front

What soil is best for growing plants?

Back

topsoil

Front

Processes that help form topsoil: decay of plants, weathering of rocks, decomposition of animals. Which one does not?

Back

movement of oceans

Front

Is soil only dirt?

Back

false

Front

Depending on how soil is formed, its color can be...

Back

all of the above

Front

The main causes of weathering are all of the following except...

• sun
• water
• ice
• wind

Back

sun