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In this activity, learners explore Boyle's Law and discover that water will boil at room temperature if its pressure is lowered.

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

In this activity, learners experiment with surface tension using everyday household items such as strawberry baskets, paperclips, liquid dish soap, and pepper.

In this activity, learners investigate convection by using food coloring and water of different temperatures.

In this weather-related activity, learners make a portable cloud in a bottle.

In this fun gardening activity, learners discover their soil type. There are three basic soil types: sand, silt, and clay.

With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.

This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.

This activity is an investigation of static electricity. What happens when you get "static cling?" Basically, you pile up electrons on one thing, which attracts the protons in something else.

In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery.