Question

1. _____________ rocks contains fossils.
2._____________ is mainly made up of nickel and Iron.
3. ______________ is an example for extrusive igneous rock

Answer 1

Answer:

Chapter 4 Rocks and Minerals

Chapter 4 focuses on Rocks and Minerals, looking at types of rocks.

Lessons included in this chapter:

#10 Rocks

#11 Minerals

#12 Igneous Rocks

#13 Sedimentary Rocks

#14 Metamorphic Rocks

Resources for Teachers can be found under the Chapter #4 Copymaster.

Select from the options on the right to proceed.

Rocks Lesson #10

The Earth was formed about 4.6 billion years ago. The planet was so hot that the entire Earth was molten or liquid. As the Earth cooled, the lightest materials floated to the top and the heaviest materials sank to the center. The outer part of the Earth, the crust, consists of the lightest rock.

Answer 2

Explanation:

igneous

earths core

besalt