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In this activity, learners conduct an experiment to help Pharaoh design a better insulated tomb.

In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry.

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

This Exploratorium activity can be used in many contexts because geysers are great opportunities for learning about heat and temperature changes as well as geological/space science phenomena.

This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

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