Water
Rocks
Weathering
Spheres/Systems
Wild Card
100

Water sticks together.  This is called ___________.

cohesion

100

Rocks grinding against each other wear away surfaces is called ______________________.

abrasion

100

Breaking down of materials after contact with air, water, or plants is...

weathering

100

What is the biosphere?

Earth's living things
100

When water or wind moves soil or rocks to another place it is called:

erosion

200

Water sticks to other things.  This is called __________.

adhesion

200

Material that is broken down from rocks and moved to another place is called ____________________.

sediment

200

When rocks break down without changing their chemical composition it is called:

physical weathering

200

What is the geosphere?

Earth's soil, rocks, and landforms

200

Which sphere or system do bears belong to?

biosphere

300

Water acts like a magnet.  This is called ________.

polarity

300

Rocks that are formed from small pieces of other rocks are called _________________.

sedimentary rocks

300

When rocks break down because of chemical reactions it is called:

chemical weathering

300

What is the hydrosphere?

Earth's water

300

Volcanoes are part of which sphere or system?

geosphere

400

If a rock sinks in a glass of water, is the rock's density high or low?

high

400

Rocks that are made from lava or magma after it cools are called ___________________.

igneous rocks

400

Ice wedging, or rocks breaking because of water freezing in cracks, is an example of what kind of weathering?

physical weathering

400

What is the atmosphere?

Earth's air and gases

400
Why is the atmosphere important for humans?

Humans breathe air.

500

Why does ice float on top of liquid water?

Because ice has a lower density than liquid water.

500

Rocks that have changed because of heat and pressure are called __________________.

metamorphic rocks

500

Statues breaking down because of acid rain is an example of what kind of weathering?

chemical weathering

500

What do we call the frozen parts of the Earth?

the cryosphere

500

Name one way that the hydrosphere affects the biosphere.

Many correct answers - humans drink water, plants use water to grow.