Show:
Earth
Bellwork
Timelines
Rocks and Minerals
Miscellaneous
100
These are the main layers of Earth.
What is Crust, Mantle, Outer Core, and Inner Core? (doesn't have to be in that order)
100
This timeline shows data based off Proportions (part to whole ).
What is a proportional timeline?
100
The longest era on the geological timeline.
What is Precambrian Era?
100
This is what makes limestone fizz.
What is calcite/calcium carbonate?
100
Earth's land is made of mostly this material.
What is Granite?
200
This is when water freezes in between solid rock.
What is Ice/Frost Wedging?
200
The "process" that breaks things down.
What is Destructive Processes?
200
Water was created at this time in Earth's history
What is 4 billion years ago? (bya)
200
The hardest mineral on the moh's hardness scale.
What is a diamond?
200
Humans first appeared at this time.
What is 200,000 years ago?
300
In our index fossil worksheet we used these three places.
What is Grand Canyon, Bryce Canyon, and Zion National Park?
300
This has a mutual relationship/connection between one or more things.
What is correlation?
300
Snowball Earth happened at this time.
What is 7 million years ago? (mya)
300
The type of rock that's mostly found in the Grand Canyon.
What is Sedimentary Rocks?
300
This is another name for Calcite.
What is Calcium Carbonate?
400
This is the layer that is soft/plastic like.
What is the Lower Mantle?
400
According to what we've learned in 7th grade science this keeps Limestone from being white.
What is mud and sand?
400
Primitive humans (Lucy) appeared at this time.
What is 3.5 million years ago? (mya)
400
The mineral that makes up 90% of Earth's crust.
What is Silicates?
400
The law that proves rocks get older the farther down they are.
What is Superposition? (Law of Superposition)
500
According to our science notes, in Celsius, Earth's Mantle can go up to this temperature.
What is 3,450 degrees Celsius?
500
Sandstone forms with sand and this matrix.
What is Sodium Silicates?
500
Based off the 7th grade timeline worksheet there are this many periods.
What is 12 periods?
500
The ways you can tell what type of mineral it is.(give 3)
What is Streak test, Color test, Hardness test, Luster, Cleavage/Fracture test, and Density test, Radioactivity test, Magnetism test?
500
This scientist that proved that Earth is slowly cooling.
Who is Professor Kelvin?