Show:
What is Soil/Dirt?
Why Soil is IMPORTANT
Weather and Soil
Water and Soil
Animals, Plants and Soil
100

One of the things soil is made from falls from the trees in Autumn. 

Leaves

100

Soil holds these up so they don't lay against the ground and die. 

Plants

100

When the weather gets hot, ___________ get bigger. 

Rocks

100

The weight of moving water can do this to rocks. 

Wear it away. 

100
Burrowing/digging animals help soil by _______________.

Mixing it together

200

One of the things soil is made from can be found underground and is the part of a tree that helps it drink water.

Roots

200

Soil makes this for plants to help them grow big and strong.

Food

200

When the weather gets colder, rocks _________ .

Break apart into smaller and smaller pieces. 

200

Nearly all running water you see, such as streams and rivers, carry little bits of ____________.

Sand and gravel (for soil).

200
Animals add important nutrients to the soil when they ______________.

Die

300

One of the things soil is made from that crawls around on the earth when its alive, but goes into the ground when it dies. 

Dead bugs

300

Soil allows this to soak into the ground.

Rain and snow

300

When rocks become really small, they turn into _____________.

Soil

300

These cold, large piles of snow and ice grind and break pieces of rock. 

Glaciers

300

These burrowing creatures tunnel in the ground and allow water and air to get into hard soil. 

Earthworms

400

One of the things soil is made of starts off large and hard, and ends up in different sizes. 

Broken apart rocks

400

Rain and snow in the soil helps ____________ drink when they're thirsty. 

Plants

400

The process of rocks forming and breaking apart takes _______________ years. 

1000!

400

Water splits and chips rocks by ___________ (think winter) and ______________ (think summer heat). 

Freezing and expanding

400

Plants help the soil by breaking it up with their ___________.

Roots

500

The top layer of the Earth's surface; similar to the Earth's surface. 

SOIL!

500

Soil soaks up rain and snow to prevent ___________ (natural disaster that will wash you away!)

Flooding

500

___________ and _____________ can get into rocks and break them apart. 

Rain and ice

500

Rain wears away rocks and soaks decaying ____________ and __________ into the soil.

Plants and animals

500

Plants help keep soil in place so it does not ________________.

Blow away