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"Molecules in Motion" explores how materials behave and change in a vacuum.

This simple and engaging astronomy activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model.

This kinesthetic science demonstration introduces learners to four states of matter: solid, liquid, gas, and plasma.

Water sticks to all kinds of things in nature — flowers, leaves, spider webs - and doesn't stick to others, such as a duck's back.