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In this activity, learners will build a model of a nebula using cotton balls and colored water. Astronomers photograph nebulas and add colors to provide information about the nebula's composition.

In this activity, learners will experiment with water- and air-filled balloons as a way of dampening sound before it reaches their ears.

In this activity, learners design and build their own parachute using household materials with the goal of landing their passenger safely on a target.

In "Chemistry is Colorful" learners explore different materials through paper chromatography.

This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.