7.9A--Planet X: Learn more about how temperature and gravity contribute to a planet’s ability to support life
7.9B--Living in Space: Designing a Space Station: Help choose the best method for designing the new International Space Station!
Gizmo--Effect of Environment on New Life Form
What Makes the World Habitable Power Point
9A--analyze the characteristics of objects in our solar system that allow life to exist (on Earth) such as proximity to the Sun, presence of water, and composition of the atmosphere.
9B--identify the accommodations, considering the characteristics of our solar system, that enabled manned space exploration