Exploring Rocks

Which text feature is not included in this book?

• glossary
• bold words
• diagram with labels
• table of contents

According to the text, which of the following is not a property of rocks?

• size
• smell
• shape
• texture

Which of the following describes the property of texture?

• smooth
• large
• striped
• black

Which of the following describes the property of size?

• speckled
• green
• rough
• tiny

Why are rocks in rivers smooth?

• They fall and break.
• They get carried away by wind.
• They get rubbed against each other.
• They are still and don't get moved.

According to the text, what causes sand dunes to change shape?

• animals
• wind
• water
• people

What is the main idea of this entire section?

• Rocks can be many sizes.
• Some rocks have patterns.
• Rocks of all sizes can be found in rivers.
• Rocks can have many properties.

How is the photograph on page 6 helpful?

• It helps you visualize a sand dune.
• It shows how the wind blows.
• It shows you where you can find sand dunes.
• It helps you understand why sand is important.

How does the photograph on page 9 support the main idea of that page?

• It shows how smooth rocks can be.
• It shows that rocks can be shiny.
• It shows many colors of rocks.
• It shows where to find colorful rocks.