23-24 Earth

Student Name

What is the main topic of the passage?

• the solar system
• the Earth

What is the main idea of the passage?

What is a detail from the passage?

Which of these is a detail from the passage?

• Scientists see Earth from spaceships now.
• Scientists know the Earth is 8,000 miles wide.

How do the details support the main idea?

• They tell how space satellite photos teach us about Earth.
• They all talk about Earth.

Earth is the _____ largest planet.