1. Imagine you are a pilot planning a trip around the world with stops in several different countries. You want to be efficient with your travel time and fuel use, so must find a route that gives you the shortest total distance traveled. What kind of map will give you the most accurate distance measurements?

2. Earth’s interior layers (core-mantle-crust) are defined primarily by differences in:

3. True or false:
Tectonic plates float on top of the liquid outer core of Earth.

4. Match the following observable features of Earth with the underlying plate tectonics that are responsible for creating the features:

5. True or false:
According to modern scientific evidence, humans have existed for about one-quarter of Earth’s history as described on the geological time scale.

6. According to modern scientific evidence, once the solar system began to form with a spinning disk of material, the formation of the Earth and Moon took about:

7. Dinosaurs existed_______ of years ago.

8. Match the following terms with their descriptions:

9. Drag the following terms to match their labels on the figure below.

10. The figure below has letters labeling the different layers of the Earth. Drag the letters to match the description of each layer.