Lessons 1 & 2
Lessons 3 & 4
Lessons 5 & 6
Lessons 7 & 8
Bonus questions
100

This is an imaginary line around the earth. 

It's the equator! 

100

What does a volcano do?

It erupts! 

100

What is a characteristic? 

It's a word used to describe a person or a thing. 

100

True or false: a plant can be a fossil? 

True! 

100
What is the shape of the Earth? 
It's a sphere! 
200

This is a scientist who studies rocks. 

A geologist! They study rocks. 

200

We live on the crust. Which layer is after the crust? 

The mantle. 

200

True or False: Gemstones are rocks that are cut specially and normally they are very beautiful. 

TRUE, a gemstone is all of those things!

200

The dinosaur bones left an impression in the ground. What does the word impression mean? 

It means that the dinosaur bones left a imprint on the ground. You can see where the bones once were even after they have been moved. 

200
If we are talking about the history of the earth. Are we talking about now or long long ago? 

Long long ago. 

300

Geology is the study of what? 

It's the study of rocks! 
300

How many layers of earth are there? 

Four! 

300

Where can you find Sediments? And what are they? 

You can find them lots of places like lakes, sandboxes, or flower pots. They are little pieces of rock and sand. 

300

What is paleontologist? 

A scientist that studies fossils. 

300

Do we know what dinosaurs really looked like? 

No, we do not. Because they lived so long we can't be 100% sure what they actually looked like. 

400

The layer of earth where we live. 

The crust! We live on the crust. 

400

Is lava hot or cold? How do you know? 

It's hot and because of its color

400

What are the three types of rocks?

Igneous, Metamorphic, and Sedimentary. 

400
What does the word extinct mean? 

That the animal or planet is dead. It is no longer around. 

400

How did the dinosaurs become extinct? 

Some scientists believe it was a big meteorite. 

500

The inner core is made of what? 

Metal! The inner core is a giant metal ball! 

500

True or False: The United States has no volcanoes. 

FALSE, the United States has volcanoes.

500

What is a mineral?

a natural substance found in the earth.

500

There was a lot of debris on the ground. What does the word debris mean? 

It means there was a lot of trash on the ground. 

500

How are the crust, mantle, outer core, and inner core similar?

They are all layers of the earth! 

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