Minerals
Hardest mineral on the Mohs scale
Diamond
This April birthstone is also the hardest mineral
Diamond
If the area of a rectangle is 40, and the base has a length of 10, what is the height?
4
What is a natural land feature on the earths surface?
Landform
The layer under the earths crust is called what?
The Mantle
How a mineral reflects light
Luster
This July birthstone is defined by its bright red color
Ruby
If the Perimeter of a square is 16, what does each side equal?
4
What are the two types of weathering?
Chemical and Physical
This is a break or crack in rocks where earths crust can move suddenly.
Fault
Minerals that break along smooth flat surfaces have what?
Cleavage
This September birthstone is defined by its dark blue color
Sapphire
If a rectangles area is 27, and the length is triple the width, what is the length and width?
L=9
W=3
The process of carrying away weathered bits of rock is called what?
Erosion
Rock and soil that travel rapidly downhill can cause a what?
Landslide
What scale measures a minerals hardness
Mohs Scale
This May birthstone is defined by its green color
Emerald
How do you find the perimeter of a shape?
Adding all the sides together
In chemical weathering rain mixes with carbon dioxide to form what?
A weak acid or Acid Rain
What is it called when an area experiences an unusual lack of water or snowfall
Drought
Softest mineral on the Mohs scale
Talc
This February birthstone is defined by its purple color
Amethyst
What is the formula for finding the area of a rectangle?
Length X Width or Base X Height
In deserts, wind moves grains of sand into massive piles called what?
Sand Dunes
The place underground where an earthquake starts
Focus