Rocks and Minerals
These are substances that occur naturally on Earth.
Minerals
True or False: Minerals are organic substances that occur naturally on or under the Earth's surface.
False. Minerals are inorganic.
This is the solid outer layer of the Earth.
Lithosphere
True or False: Minierals are essential for life.
True
Salamanca has many buildings made of _____.
Sandstone
There are occured naturally; they are made of different minerals and fragments of other rocks.
Rocks
All minerals can be _____ or _____
1. Pure elements
2. Compounds of one or more elements
The lithosphere is made up of the _____
Crust
Batteries contain _____.
Lithium
Jewelry is made of _____ and _____.
Gold and silver
This is hot, liquid rock that comes out of a volcano.
Lava
All minerals have _____ structure.
What are the 3 types of rocks?
1. Igneous rock
2. Sedimentary rock
3. Metamorphic rock
Cement is made of _____.
Gypsum
These rocks started as sedimentary or igneous rock; it is transformed into this by high pressure or heat.
Metamorphic rock
These are preserved remains of materials from dead animals and plants.
Fossils
Each mineral has its own _____, _____, _____, and _____
1. Colour
2. Crystal structure
3. Lustre
4. Hardness
The crust is the upper part of the _____.
Mantle
Electric wires are made of _____.
Copper
They form in layers and somethimes has fossils of animals or plants in it.
Sedimentary rock
This is a mineral that can be found in lots of food, such as yogurt, cheese, and beans; it's an essential mineral for all living things.
Calcium
The hardness of a mineral is determined using the _____ ______ scale.
Mohs hardness scale
This rock starts as liquid rock inside the Earth's crust.
Igneous rock
Pencils are made of _____.
Graphite
Where are rocks mined from Earth's surface?
A quarry