Make A Home For Microbes To Understand Their Behavior
Build a home for microbes as you create a Winogradsky column, a simple ecosystem for bacteria and other microorganisms.
The Tragic Mystery Of The Mushy Apple
In this experiment, you’ll explore the influence of apple cell structure on the crunchiness and juiciness of an apple by measuring apple tissue tensile strength.
Write Your Name In Binary Code
Want to write like a computer? Here’s your chance to get started.
How Many Licks? Controlling Lollipop Licker Variation
How many licks does it take to get to the center of a Tootsie Pop? Navigate the perils of licker variation by designing your own lollipop-licking experiment.
Jet Propulsion Locomotion Of Squid And Octopus
Can you engineer a jet propulsion system that mimics the speed of a squid?
Dissect a Silkworm Cocoon
Learn about the insect origins of silk by dissecting a cocoon and “degumming” it to reveal the protein that scientists use for constructing new materials.
Spot the Sunspots
Use binoculars or a telescope to identify and track sunspots. You’ll need a bright sunny day for this DIY Sun Science Activity from Lawrence Hall of Science.
#ExplainTheSun
What does the Sun do? Tell us, using the hashtag
#ExplainTheSun
What Does The Sun Do? Solar Experts Respond
Experts with a vested solar interest weigh in on the sun’s various starring roles.
Eggs To Dye For
Why do eggs turn out brighter with a little vinegar? Investigate how different acids affect egg dyes in this kitchen chemistry experiment.