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Why does milk make some people sick? In this activity learners explore this question and explore the chemistry of milk, and our bodies!

Water treatment on a large scale enables the supply of clean drinking water to communities.

In this activity, learners investigate the basic crystal structures that metal atoms form.

In this activity, learners construct a coastal landmass from sand and add features such as tidal creeks and barrier islands.

Many of the genetic sequences found in the fruit fly genome are similar to those found in humans.

In this activity, learners identify different classes of matter based on physical properties.

In this activity (pages 42-49), learners discover the methods and challenges of building nanoscale structures with macroscale equipment.

In this activity (pages 32-41), learners learn how the atomic and molecular arrangement of matter are related to physical properties.