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Where is the Sun?
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In this activity, learners verify that the Sun appears in a different location at a specific time every day of the year with one exception: on the Equinoxes.
Rusty Penny
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In this easy chemistry activity, learners submerge pennies in different liquids (water, lemon juice, vinegar, liquid hand soap, salt water, and baking soda mixed with water) to observe which best clea
Meteoroids and the Craters They Make
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In this activity, learners investigate the formation of craters. Learners will examine how the size, angle and speed of a meteorite's impact affects the properties of craters.
A Funny Taste
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In this activity, learners explore the different salinities of various sources of water by taste-testing.
The Scoop on Habitat
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Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.
Drying It Out
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In this activity, learners investigate and compare the rate of drying in different conditions.
Diet Light
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In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.
Amazing Marshmallows
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In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle.
Sled Kite
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In this activity, learners build a sled kite that models a type of airfoil called a parawing.
No Pressure
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In this activity, learners observe what would happen to their bodies if they went to outer space without a space suit.
Familiar Fossils
In this activity, learners explore different types of fossils by making their out of dough and objects from around the house.
If Trash Could Talk
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Ancient trash tells archaeologists a lot about the past. In this activity, learners take a close look inside their trash can and think about the clues it offers about their lives.
Finding the Right Crater
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This quick demonstration (on page 11 of PDF) allows learners to understand why scientists think water ice could remain frozen in always-dark craters at the poles of the Moon.
Exploring the Universe: Space Guess Quest
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Space Guess Quest is a fun game that encourages participants to identify the many types of objects in space, from human-made spacecraft to nebulas, galaxies, stars, and worlds.
Exploring the Solar System: Asteroid Mining
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In this activity, learners will imagine the challenges and opportunities of asteroid mining.
River Catcher
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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.
Learning the Land
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In this activity, learners will take a step back and learn the history of the land they live on, and the people who used to live on it.
Make a Comet on a Stick
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In this activity, learners craft their own model of a comet on a stick to make it fly around the room.
How Does Water Climb a Tree?
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In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.
Water: Clearly Unique!
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In this activity on page 4 of the PDF (Water in Our World), learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water.