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In this activity (2nd activity on the page), learners explore how the nose is responsible for part of the flavor we taste in food.

In this math activity, learners pretend there is a special store that lets you pay for toys by their height in pennies.

In this activity, learners will engineer their own weather vane. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked.

In this activity, learners practice counting objects found on patterned wrapping paper or fabric.

When you teeth clatter, they make quite the racket disproportionately to how much they actually sound to someone else.

In this sunny day activity, learners compare how a cup of water and a cup of tonic water reflect or refract light in the sun.

In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.

In this activity, learners compete in a game to cover the most area by drawing randomly-generated rectangles on graph paper.

In this activity, learners discover that it's difficult to distinguish between two different shades of gray when they aren't separated by a boundary.

In this chemistry activity (on page 2 of the PDF), learners make a layered drink with liquids of different densities.

In this activity, learners try to put together toy bricks—wearing oven mitts on their hands! This activity shows learners how difficult it is to build small things when your tools are too big.

In this activity, learners perform a simulated blood test procedure.

In this quick activity, learners drink Avogadro's number worth of molecules - 6.02x10^23 molecules!

In this a hands-on activity, learners explore how to put ice cream in an oven without it melting. Ideas in this activity include insulation and cooking.

In this physics demonstration, learners are challenged to insert a straw the furthest into a potato.

In this activity learners will explore the concepts of density and matter in their quest to answer one simple question-will it sink or will it float?

In this chemistry activity, learners explore density by using four solids and 6 liquids to create colorful, layered rows.

In this activity, young learners use different-sized paper 'caterpillars' and various household items to predict and measure their height.

In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape, learners simulate bl

In this two-part activity, learners use household items to smell the difference between some stereoisomers, or molecules which are mirror images of one another.