Start a 10-Day Free Trial to Unlock the Full Review
Why Lesson Planet?
Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!
Students consider the earth and its problems as a system. They examine the fragility of that system when population, pollution, 1st world verse 3rd world, terrorism, etc., are considered as interactive parts of a spaceship earth.
3 Views 2 Downloads
What Members Say
- Ashley R.
- Levittown, NY