What changes when the same jump happens on Earth and the Moon?
Predict, change the conditions, and compare a jump on Earth and the Moon.
All experiments
What are you curious about?
Jump, mix, or travel into space. Start with a question you like.
26 questions waiting for you.
When do two paints become one color?
Explore how pigments suspended in water flow together and change what we see.
Why does the Moon look different each day?
Move the Moon around Earth and compare its position with the shape seen from Earth.
How can white light become a rainbow?
Turn a prism and watch the incoming ray bend and spread into colors.
Why do shadows grow longer and shorter?
Move a light and an object to change a shadow’s length and direction.
What makes a pendulum swing faster?
Change length, mass, and release angle, then compare two swinging pendulums.
When does an object tip over?
Slide a weight across an object and watch when its center moves beyond the support.
When does a body pattern help an animal hide?
Change the habitat and body pattern to compare how easily the animal stands out.
Did the sugar disappear in water?
Add virtual sugar, change temperature, and stir to compare dissolving rate and capacity.
Why do oil and water form layers?
Pour fixed amounts, stir, and watch droplets gather into layers again.
How far apart are the planets really?
Switch scale models and move across the planets without pretending they line up.
What makes an impact crater larger?
Change impactor size, speed, angle, and surface, then compare two craters.
How far can magnetic force reach?
Move a magnet, change poles and targets, and reveal a field-line model.
What does sound need to travel?
Compare particle motion in air, water, and a vacuum with sound muted by default.
When does invisible water vapor become a cloud?
Change altitude, temperature, and humidity to reach condensation.
How can we tell that continents moved?
Compress geological time and layer coastline, fossil, and rock evidence.
Which beak works well with which food?
Try several beak shapes with seeds, insects, and nectar.
How do seeds travel to a new place?
Launch real seed examples by wind, water, or animals and follow their paths.
How does a screen build so many colors?
Inspect built-in pixels and switch red, green, and blue light channels.
What changes when an image file becomes smaller?
Compare a built-in image across a split view, magnifier, and estimated size.
What does a rocket throw away on the way to orbit?
Follow Nuri from liftoff to 600 km orbit and satellite deployment in an interactive 3D journey.
What is hiding nearly 11 km below the ocean surface?
Descend from sunlight to complete darkness, bioluminescence, the hadal zone, and Challenger Deep.
How does an aurora light up the night sky?
Follow charged solar particles into Earth’s magnetic field and light an auroral curtain over the poles.
How can we know what is inside Earth without seeing it?
Watch P and S waves cross Earth and reveal the liquid outer core and shadow zones.
Where does the heart send blood, and how does it come back?
Follow one drop of blood through heart, lungs, body, and back again.
How does GPS figure out where you are?
Add satellites one by one and watch distance spheres narrow the possible location.