Did You Know?

Some rocks can float on water!

How Rocks Form

Rocks can form from heat or pressure.

Types of Rocks

There are three main types of rocks.

What rocks Does

Rocks make the ground we walk on.

They help make hills and mountains.

Some rocks are used for tools.

Rocks can be pretty and colorful.

They can tell us about the past.

Rocks can help us find water.

More About rocks

Rocks have been on Earth for a long time. They can be very old, even millions of years! Some rocks are made from lava that cools down. Others can form from sand or mud that gets hard.

We see rocks every day. They are in our backyards, parks, and even in our homes. We use rocks to build things like roads and houses. They are also used to make art!

Did you know some rocks can glow in the dark? There are many cool rocks to find. You can collect them and learn more about them!

How Topics Connect

graph TD A["Rock Definition"] --> B["Naturally Occurring Solid Mass"] B --> C["Minerals and Mineraloids"] A --> D["Categorization"] D --> E["Mineral Composition"] D --> F["Formation Process"] A --> G["Earth's Crust"] G --> H["Study of Rocks"]

What Do These Words Mean?

geology:The study of the Earth, its structure, and the materials it is made of.
minerals:Natural substances that make up rocks and have a specific chemical structure.
composition:The way something is made up or what it contains.
asthenosphere:A layer of the Earth's interior that is partially molten and allows for movement.
petrology:The branch of geology that studies rocks and how they are formed.