A
B
C
D
100

A ________ is something about an object that you can observe with your senses. 

property

100

________ is a layer of loose material that covers most of the Earth. 

Soil

100

________ is a type of soil is light brown and is smooth.  It does not hold water well. 

Sand

100

________ is when rocks break down and become part of the soil. 

Weathering

200

__________ is how an object feels.

Texture

200

________ is the type of soil that is best for growing plants. 

Humus

200

Moving water can break down _______ and make them smaller. 

rocks

200

________  is the name for a very large rock. 

Boulder

300

________ is the name of a small rock. 

Pebble

300

_______ is  a type of soil that is made up of once living plants and animals. 

Humus 

300

When water gets into the crack of a rock and _____ it can cause the rock to break apart. 

freezes

300

_________ is a type of soil that feels sticky and is often reddish brown or orange. 

Clay

400

Soil is made of rocks and ___________. 

parts of dead plants and animals

400

The top layer of soil is called __________.

topsoil

400

Rocks can be used to make buildings or __________ that women and men wear and pay lots of money for.

jewelry

400

Under the subsoil is a layer of solid rock called _______. 

bedrock

500

Rocks have different __________, ___________, and __________. 

colors, shapes, and sizes

500

_________, ___________, and __________ are all parts of soil. 

rocks, air, and water

sand, humus, and clay, 

rocks, dead plants, dead animals

500

People use soil to __________. 

grow plants

grow food 

build things

500

___________, ___________, and ________ change the shape of rocks. 

water, wind and ice