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Explore the effects of gravity on a slowly falling object: a parachute you make out of plastic bags, string and stones.

In this activity, learners predict where a ball will go after it bounces off another object. Learners discover that the motion of objects is predictable based on laws of motion.

Learners see that a carrot slice sinks in fresh water and floats in saltwater.

In this activity, learners determine the shape of an unseen object by bouncing a ball off the object.

In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.

Learners test their "light-smarts" by playing a game called "Light Quest!" The game board represents an atom and each player represents an electron that has been bumped into the atom's outer unstable

In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food coloring.

In this activity, learners build bridges using paper and explore how much weight each bridge design can support.

What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice.

Learners observe a bottle containing water and oil. They are invited to pick up the bottle and mix the contents together.

Making liquids of different densities to perfectly lay on top of each other can be a frustrating exercise. The Exploratorium created this activity as a fool proof way of making a density column.

In this physics activity, learners will explore buoyancy.

In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So

Learners see convection currents in action in this highly visual demonstration. Sealed bags of colored hot or cold water are immersed in tanks of water.

In this quick activity (located on page 2 of the PDF under GPS: Balloon Fiesta Activity), learners will see the effects of convection and understand what makes hot air balloons rise.

This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

In this activity, learners examine the culture and history of the tomb site.

In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.