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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resour

In this space science activity, learners explore transits and the conditions when a transit may be seen.

In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.

In this activity, learners explore how genetic switches function and the role of genetic switches in the process of evolution.

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

This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resour