Balance neutrons, protons, and electrons to create a carbon atom. Beware of unleashing a radioactive element.

Play with the balloon to learn the effects of air pressure.

Open the house's door to find out what air does to an open flame.

Watch how the values for pressure, force, and area change literally as each of them is increased or decreased.

Move the lever to find out how hot air affects a balloon's altitude.

Hands-on experiment illustrates the relationship between a pipe's length and the pitch of sound it produces.

Select a household appliance and enter how many hours it is on to calculate how much energy a house consumes over a day, week, month, or year.

Prove Pythagoras' famous theorem on measuring the sides of a triangle by dragging the pieces of two smaller squares into a larger square.

Discover the science behind Mark McGuire. Step up to bat and change playing variables such as angle and swing strength to hit a home run.

Even acrophobia won't keep you from taking this balloon ride. Listen to a teacher explain balloon flying basics.

Arrange the four boxes of different substances with the same volumes according to their mass.