Lesson Plan
NASA

Determining the Nature, Size, and Age of the Universe

For Teachers 10th - 12th Standards
Prompt scholars to discover the expansion of the universe themselves. Using photographs of other galaxies, they measure and then graph the size and distance of each. Finally, they draw conclusions and prove the universe is...
Lesson Plan
Rainforest Alliance

Forests of Guatemala

For Teachers 6th - 8th Standards
With 90 percent of its land area covered in forests, Suriname, a country in South America, contains the largest percentage of forests throughout the world. Here is an activity that brings classmates together to learn about the...

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