mic
Vocabulary
Earth history
Rocks
Bell work
100
The statue of liberty changed from brown to green that means it has this substance.
What is oxidation ?
100
A solid in which the atoms are arranged in an orderly repeating 3D pattern.
What is a crystal ?
100
The estimated time Earth has been around.
What is 4.5 billion years old ?
100
type of rock that is made from sand getting compacted and cemented together over time.
What is a Sedimentary rock.
100
The removal and transportation of loose earth material.
What is erosion ?
200
This science show has two main characters named Tim and Mobie.
What is Brain pop ?
200
The color of mineral powder left behind when a mineral is scraped across a surface, a method for classifying minerals.
What is streak ?
200
the estimated time humans have been on Earth.
What is 200,000 years old ?
200
Type of rock that is formed from cooling and hardening magma.
What is a sedimentary rock ?
200
A remain or trace of a dead plant or animal preserved in a rock.
What is a fossil ?
300
This rock can be both sedimentary and metamorphic.
What is coal ?
300
The property of a mineral that describes the way in which light reflects off its surface.
What is luster ?
300
Dinosaurs went extinct about this long ago
What is 66 million years extinct ?
300
Type of rock that is made from an existing rock that changes do to heat and or pressure.
What is a metamorphic rock ?
300
If a rock fizzes when acid is placed on it this means it contains this substance.
What is calcium carbonate ?
400
According to the Wentworth scale this size rock is about 256 mm.
What is a boulder ?
400
The property of a mineral that describes its tendency to break along flat surface.
What is cleavage ?
400
The great extinction happened about this many years ago.
What is 270 million years extinct.
400
A series of processes that cause rocks to change from one another.
What is the rock cycle ?
400
Broken pieces of rocks or small particles.
What are sediments ?
500
A fine grained rock that breaks apart into thin plates. Colors can be green, grey, black and many other.
What is slate ?
500
The property of matter representing the mass per unit volume.
What is density ?
500
The Rocky mountains were formed about this long ago.
What is 144 million years old ?
500
A chemical that helps hold the grains of sand together in a sedimentary rock.
What is cementing agent ?
500
A rock that has become to hot and has melted.
What is molten rock ?
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