Rocks
What is a Rock?
A non -living piece of Earth
What is a Mineral?
A nonliving piece of Soil
What is Weathering?
Any action that breaks down rocks into smaller pieces
What is Erosion?
the movement of weathered rock
What is soil?
A mix of rocks and dead plant pieces
True or False: Rocks are all the same size
FALSE
They can be all different sizes
True or False: Rocks are made of different minerals
TRUE
What are the 2 types of weathering?
Physical & Chemical
What are some things that cause weathering?
Wind, Water, Ice, Glaciers, Avalanches
What is Decomposition?
When a dead plant/animal breaks down into the soil
How many types of Rocks are there?
3
What is the hardest a mineral can be on the Moh's Scale?
10
What is Physical Weathering?
Anything that changed the shape of a rock formation
What is Deposition?
When weathered rock is dropped in a new place
What does it mean when soil is Fertile?
It has lots of nutrients
What are some places rocks can be found?
Grass, Dirt, Underground, Soil
What is the hardest Mineral?
Diamond
What is Chemical Weathering?
Anything that changes the minerals in a rocks
What is an Avalanche?
Quick movement of snow down a hill/mountain
What is the second layer of soil called?
Subsoil
What is one way rocks have been used in the past?
Tools, Chalk, Weapons
What is the softest Mineral?
Talc
How long does it take for weathering to change a rock formation
It can happen really fast or really slow
True or False: Ice can move and drop rock particles in new places
TRUE
What is the top layer of soil called?
Tops soil