Minerals
_____________ is the way the surface of a mineral reflects light.
Luster
What are the three main kinds of rocks?
Igneous, sedimentary, and metamorphic are the three main kinds of rocks.
A __________ is a natural land feature on Earth's sruface.
Earth's outer crust rests on top of another layer called _____________
Mantle.
Ocean water is a ___________ of water and dissolved salts.
What is the relationship between minerals and rocks?
Minerals make up rocks.
Rocks that form from molten are called ___________ rocks.
Igenous
Rocks in Earth's crust are slowly broken into smaller pieces in a process called ______________.
Weathering
The crust and the top of the mantle are divided into very large pieces called ___________.
Plates
Only _______/100 of Earth's water is fresh water
3/100
Minerals that break along smooth, flat surfaces have ________________.
Cleavage
_________ rocks that when layers of sediments settle on top of one another and harden
Sedimentary.
In ___________ weathering, rocks are broken into smaller pieces of the same kind of rock.
Physical
What causes a volcano to erupt?
Moving plates/earthquakes
Almost ____/4 of Earth's surface is covered with water.
3/4
The Mohs Hardness Scale ranks minerals by hardness. Is 1 the softest or the hardest?
Softest.
Rocks that have changed as a result of heat and pressure are known as ____________ rocks?
What is the process of carrying away weather bits of rock?
Erosion
What is a fault?
A fault is a break or crack in rocks where EArth's crust can move suddenly.
What is it called when liquid water changes into gas?
Evaporation
How many kinds of minerals have scientists identified?
4,000
What do we call the ongoing process of recycling old rock into new rock?
The rock cycle
What is the area of deposited material called?
A delta
What do you call a landform that forms at an opening in Earth's crust where magma reaches the surface?
A volcano
How old is water?
Millions of years