Life on Earth

TEKS

7.9 Earth and space. The student knows components of our solar system. The student is expected to:

• 7.9 A Analyze the characteristics of objects in our solar system that allow life to exist such as the proximity of the Sun, presence of water, and composition of the atmosphere

• 7.9 B identify accommodations, considering the characteristics of our solar system, that enabled manned space exploration

Essential Questions

• What conditions are essential for life to exist?

• How do the characteristics of Earth allow life to exist?

• How does the relationship of the Earth to the Sun allow life to exist?

• What accommodations are needed for manned space exploration in our solar system?