Show:
Rocks
Minerals
Soil
Weathering and
Erosion
Other Stuff :)
100
What is a rock?
An object formed in nature made of one or more minerals.
100
What is a mineral?
An object that is solid, formed in nature, and has never been alive.
100
Which type of soil consist of pieces of dead plants and animals?
Humus
100
What is Erosion?
The process that moves pieces of rock and soil.
100
What does it mean to find the hardness of a mineral?
See how difficult it is to scratch an object.
200
What type of rock was once melted and then cooled and hardened?
Igneous
200
The Mohs scale identifies which property?
Hardness
200
What four things make up soil.
Water Air Humus Tiny pieces of rock
200
What causes most rocks to change shape?
Wind and water
200
What rock is formed from material that has settled into layers?
Sedimentary Rock
300
What rock is formed from material that has settled into layers?
Sedimentary Rock
300
What is the color left behind by a mineral when it is rubbed against a rough white tile called?
Streak
300
What type of soil is made up of powdery grains of rock?
Sand
300
Which process breaks down rocks into smaller pieces?
Weathering
300
Which property is the WORST property to use, when you are trying to identify a mineral?
Color
400
What changes rock into metamorphic rock? (2 answers)
Heat and Pressure
400
Which is not a property of a mineral? Color Temperature Hardness Streak
Temperature
400
What type of soil is found on farms?
Loam
400
What type of rocks do weathering and erosion usually make?
Sedimentay Rocks
400
What can Ms. Robinson's favorite rock, pumice, do that no other rock can not?
Float on water
500
Over time, one kind of rock can become any other kind. What is the process of rocks changing from one kind of rock to another kind of rock?
The rock cycle
500
Name a mineral that we use everyday, while we are at Dewar Elementary School.
Pencil Lead
500
Name the soil that in order from largest to smallest, using the words: clay, sand, and silt.
Silt Clay Sand
500
Why are some mountains steep and pointed, while other mountains are more round and flat?
Because they have been around longer and have eroded more.
500
Why are minerals like gold and silver so expensive?
Because they are so rare.