Grades 6-8

Looking at Our Own Cultural Artifacts

Curriculum Materials

Looking at Our Own Cultural Artifacts

When you think of your family's traditions and beliefs, what special objects come to mind? Would the meaning and value of these objects be clear to someone from another family or culture?

Filtering Light

Curriculum Materials

Filtering Light

All the color photos of astronomical phenomena that we see in magazines and books begin as three separate images—one red, one green, and one blue. Explore how CCD cameras and their color filters work.

The 3-D Universe

Article

The 3-D Universe

A 2-D map is a great guide here on Earth—and virtually worthless for finding your way around in outer space. Take a 3-D look at mapping our solar system and universe.

3-D Model of the Big Dipper

Curriculum Materials

3-D Model of the Big Dipper

In outer space, you might not recognize the Big Dipper. The stars that form this constellation exist in 3-D not 2-D—so the star pattern changes with your viewpoint. Take another look at the Big Dipper.

Understanding Geologic Time

Curriculum Materials

Understanding Geologic Time

How long have humans been on Earth compared to the length of time dinosaurs roamed the planet? Gain a new understanding of time by mapping out Earth's history.

Gravity: It's Universal

Online Resource

Gravity: It's Universal

We owe our lives to gravity. It holds the atmosphere to Earth and keeps us all from falling off into space. Not to mention that without gravity, the stars and planets—including Earth—wouldn't even exist!

Space Games

Curriculum Materials

Space Games

Here on Earth, we tend to take gravity for granted. Yet the astronauts aboard the Space Station need to learn how to do everything without it. Can you imagine shooting hoops in a "weightless" world?

Carbon Dioxide Removal

Activity

Carbon Dioxide Removal

Students in grades 3-8 can observe and learn about the carbon cycle in this experiment.

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