What is weathering?
When rocks get broken down by wind, rain, ice, and temperature changes.
What are the three main types of rocks?
Sedimentary, igneous and metamorphic.
True or false: minerals can be found in rocks but are not alive?
True
Soil is alive? (true or false)
True
What are some ways that people use rocks and minerals?
- Salt is used for cooking.
- Diamonds and other minerals are used for jewelry and for tools in construction.
- Rocks are used for building houses and other buildings.
What is an example of an igneous rock?
- Obsidian
- Lava
- Granite
- Basalt
What is an igneous rock and how is it formed?
Igneous rocks are "fire formed" rocks, made from cool lava or magma.
Do most minerals have their own special shape called the crystal?
Yes
What is soil?
Soil is a mixture of very small rock pieces and humus.
What is erosion?
Erosion is when small pieces of rock are worn off bigger rocks by wind, water or ice and get carried to a new spot.
What is an example of a sedimentary rock?
- Limestone
- Sandstone
- Shale
What is a metamorphic Rock and how is it formed?
Metamorphic rocks are 'changed' rocks deep in the earth. They are changed by heat and/or pressure.
All rocks are made of __________.
Minerals
What are at least three things that can be found in soil?
- Rocks
- Sand
- Clay
- Dead plants
- Twigs
- Humus
- Bugs
- Sediments
- Animal Remains
What is a geologist?
a scientist who studies the Earth, especially its rocks and minerals.
What is an example of a metamorphic rock?
- Marble
- Gneiss
- Slate
What is a sedimentary rock and how is it formed?
Sedimentary rocks are formed by pressure compacting and cementing sediments together. Sediments form layers on the bottom of streams and rivers and the weight of the water pushes on the layers compacting them together.
What are 6 ways to identify minerals?
1. Colour (what colour is the mineral?)
2. Texture (the way it feels)
3. Patterns/shapes (what do you see?)
4. Hardness Test (is it soft? can you scratch it with your finger?)
5. Lustre (how does it reflect light, is it shiny, dull?)
6. Streak Test (what colour is the streak?)
What is the worst type of soil for growing plants?
Clay.
A fossil is ___________.
An imprint of an organism on a rock.
Extrusive rocks are formed on the surface of the Earth Intrusive rocks are formed within the crust of the planet.
What type of rock contains fossils?
Magnetic materials either have _____ or ______ in them.
Iron or nickel.
What are the 5 layers of soil?

What is the softest mineral and what is the hardest mineral?
Talc is the softest. Diamonds are the hardest.