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In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

In this activity, learners shrink the scale of the vast solar system to the size of their neighborhood.

In this activity, learners plan and create a 24-foot long, two-dimensional model of our solar system, and compare and contrast the differences between planets and the sun.

This fun and simple hands-on astronomy activity lets learners build a scale model of the universe with little more than adding machine tape.

This is a classic exercise for visualizing the scale of the Solar System.

In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.

Learners use red cabbage juice and pH indicator paper to test the acidity and basicity of household materials. The activity links this concept of acids and bases to acid rain and other pollutants.

In this activity, learners create their own archaeological profiles.

In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

In this activity, learners find Xi'an, the archaeological area in China where the Terra Cotta Army was discovered, on a map or globe and look more closely at the relationship of the warrior site to ot

Learners develop an understanding of air pressure in two different activities.

In this activity, learners examine the culture and history of the tomb site.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.