Minerals
What are the four properties of minerals?
1. colour
2. crystal structure
3. lustre
4. hardness
Rocks are made of __________.
One or more minerals
Yogurt is rich in _______
Calcium
Lustre is _________
How a mineral reacts to light
Name a hard mineral
diamond, corundum, topaz, quartz, orthoclase
What are the three main types of rock?
1. igneous
2. sedimentary
3. metamorphic
Broccoli contains ________
Potassium
We use marble and granite for ______
building
Name a soft mineral
talc, gypsum, calcite, fluorite, apatite
________ rocks started as liquid rock inside the Earth's crust
Igneous
Pencils are made of ________
Graphite
Avocados are rich in _______
magnesium
Name a white mineral
Calcium, sodium
_______ rocks form in layers and sometimes have fossils of animals or plants.
Sedimentary
Toothpaste contains __________
Fluoride
Igneous rock is formed from ______ or ________
lava
magma
What mineral has a crystal structure with six sides
Quartz
________ rocks are transformed by high pressure or heat.
Metamorphic
_______ is used to build roofs
Slate
Granite is ___________ igneous rock.
intrusive