What kinds of rocks are in Minnesota? Where did they come from?
What characteristics can we use to classify minerals?
What are rocks made of?
Image copyright National Geographic
How are earthquakes, volcanoes, and mountains related?
How does the rock of the Earth’s mantle move?
What would happen if you tried to dig a hole to the other side of the Earth?
How are the planets in our Solar System the same and how are they different?
Why do we have seasons? How does that happen?
Describe how gravity affects the Earth and its moon.
What are the features of our moon?