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In this outdoor activity, learners play a game of Tag to discover how neurons attach themselves to each other to form a chain.

Learners test two jars containing hot water, one covered with plastic and one open, for changes in temperature.

In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve some things and not others.

In this activity, learners will use simple materials to explore centripetal force and variables by swinging a cup of water without having the water spill out.

In this activity, learners will explore how maps can provide information about a place and help us find our way from one location to another.

Test the buoyancy of an aluminum foil boat and an aluminum foil ball. Why does the same material in different shapes sink or float?

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

In this activity, learners will discover how our universe is continuously expanding.

Learners write a message in Braille using beans to form the patterns of dots. Learners glue beans in place, and then challenge another learner to read the message.

In this activity, learners explore the concepts of density and basic chemical reactions as they create a homemade lava lamp effect using water, oil, food coloring, and Alka-Seltzer tablets.

In this activity related to magnetism and electricity, learners observe as two parallel, current-carrying wires exert forces on each other.

In this introductory activity, learners discover that sugar and food coloring dissolve in water but neither dissolves in oil.

Learners make their own simple slide rules out of paper and learn how they work.

In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.

In this card game, learners make two sets of three cards that are alike. Learners must justify to the rest of the players why the three cards belong in each set.

This activity is designed to let learners measure their reaction time or response time to something they see.

In this activity (3rd on the page), learners conduct a series of tests to find out which of their eyes is more dominant.

This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.

In this activity (4th on the page), learners conduct a series of tests to find out which of their ears is more dominant.

In this activity (page 3 of the PDF), learners will observe a physical change.