Exploratorium
Exploratorium: Science Snacks: Salty Pits
Investigate the effectiveness of different deodorants at combating armpit bacteria. Involves growing bacterial cultures on agar plates.
Exploratorium
Exploratorium: Science Snacks: Secret Bells
An experiment demonstrating how sound vibrations transmit through metal.
Exploratorium
Exploratorium: Science Snacks: Seeing Your Retina
Try this experiment where you examine the blood vessel network of your retina and the eye's blind spot. Includes a safety precaution.
Exploratorium
Exploratorium: Science Snacks: Shell Shifts
Investigate the damage that ocean acidification does to the shells of sea creatures.
Exploratorium
Exploratorium: Science Snacks: Short Circuit
Learn how fuses and circuit breakers work to stop the flow of electricity in a circuit so as to prevent fires. This experiment requires caution.
Exploratorium
Exploratorium: Science Snacks: Skin Size
Find out the approximate surface area of your skin in this exercise, and how much atmospheric force is exerted upon it.
Exploratorium
Exploratorium: Science Snacks: Soap Film on a Can
Investigate the properties of light by exploring the color effects produced when light is shone on soap film.
Exploratorium
Exploratorium: Science Snacks: Soap Bubble Shapes
Using straws and soap, you can create geometric shapes to make a colorful art display when light shines through them.
Exploratorium
Exploratorium: Science Snacks: Soap Film Interference Model
In this experiment, students construct models of larger red and smaller blue waves on index cards, and use them to investigate how light behaves when it is reflected off the front and the back of soap film.
Exploratorium
Exploratorium: Science Snacks: Soap Film Painting
Investigate the constructive and destructive interference of waves as they reflect off the front and back surfaces of soap film. See what colorful effects can be created on a large, vertical soap film surface where gravity comes into play.
Exploratorium
Exploratorium: Science Snacks: Sound Sandwich
Make a simple wind instrument and use it to experiment with pitch.
Exploratorium
Exploratorium: Science Snacks: Spherical Reflections
Investigate the behavior of light that is reflected off a spherical mirrored surface.
Exploratorium
Exploratorium: Science Snacks: Spinning Blackboard
Explore the effects of drawing in a straight line within a rotating frame of reference. This activity requires a turntable. If this is unavailable, a cake turntable with a glued-on center post might work as well.
Exploratorium
Exploratorium: Science Snacks: Spinning Cylinder
Explore the motion of a cylinder that spins around its axis at the same time as it rotates around a line that is perpendicular to this axis.
Exploratorium
Exploratorium: Science Snacks: Squirming Palm
Create this optical illusion that incorporates what is known as the waterfall effect.
Exploratorium
Exploratorium: Science Snacks: Stereo Sound
Try this experiment to understand how your ears are able to locate where a sound is coming from.
Exploratorium
Exploratorium: Science Snacks: Strange Attractor
Explore the chaotic motion of a pendulum that is swinging above several magnets that are fixed in place and see what patterns you can find.
Exploratorium
Exploratorium: Science Snacks: Straw Oboe
Try making this straw oboe to explore the resonance characteristics of the sound it makes.
Exploratorium
Exploratorium: Science Snacks: Take It From the Top
Students defy gravity by stacking blocks in different ways in this exercise. Other projects are linked to this lesson as well.
Exploratorium
Exploratorium: Science Snacks: Take It From the Top
Play with the center of gravity as you balance a set of blocks in a way that looks impossible.
Exploratorium
Exploratorium: Science Snacks: The Three Little Pigments
For this activity, you print different colors of the same image onto acetate, then explore the different color effects you get when they are overlaid on each other in various combinations.
Exploratorium
Exploratorium: Science Snacks: Thread the Needle
Learn about depth perception in this needle-threading activity.
Exploratorium
Exploratorium: Science Snacks: Tired Weight
Learn how the air pressure in tires can be used to determine the weight of an automobile.
Exploratorium
Exploratorium: Science Snacks: Touch the Spring
Explore the behavior of light as it reflects off a concave mirror in this optical illusion.