A
B
C
D
E
100
When wind picks up _______________________ and blows it against a rock it can cause it to wear down.
sand
100
_______________ soil feels sticky and is often reddish brown.
clay
100
______________________ is made with sand.
concrete
100
_______________________is when rocks break down and become part of the soil.
weathering
100
The ________________________ of a rock can either be crumbly or strong.
strength
200
Rocks can be used to make ______________________ and ________________________.
buildings, jewelry, roads
200
A ______________________ is something about an object that you can observe with your senses.
property
200
When water gets into the crack of a rock and ___________________it can cause the rock to break apart.
freezes
200
_____________________ is a layer of loose material that covers much of the Earth.
soil
200
_________________ are made from clay.
bricks
300
____________________ soil has a lot of sand in it and is usually light brown.
sandy
300
__________________ soil is the best for growing plants because it holds the right amount of water
Humus
300
_____________________ is bits of living things such as plants and animals that have decayed.
Humus
300
_____________________ is how an object feels.
texture
300
The famous Washington Monument is made mostly of white ___________________.
marble
400
5. Rocks have different _________________________, __________________________, and __________________________.
color, shape, size, texture, air holes, layers, strength fossils
400
____________, _______________, and _________________ are all parts of soil.
rocks, water, air
400
When water flows over a rock it makes them __________________ or can even ___________________them.
smooth, dissolve
400
___________________, __________________, and __________________ change the shape of rocks.
air, water, ice
400
People use soil to make _______________________, _______________, and ______________.
tiles, pottery, china
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