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In this activity, learners will discover how to make butter from scratch. One optional tips includes adding marbles to speed up the process.

In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

This hands-on activity shows you how to build basic architectural shapes out of toothpicks and gumdrops.

In this activity (located on pages 23-24 of the PDF), learners are introduced to structural engineering and encouraged to practice goal-oriented building.

No glue is needed for learners of any age to become marshmallow architects or engineers.

In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.

In this activity, learners use three types of cheesy snacks--cheese balls, cheese puffs, and Cheetos--to learn about polymers.

In this activity, learners use Jell-O to explore lenses. Learners cut Jell-O into convex and concave lens shapes and examine how light exits each lens in a darkened room.

Learners build structures from spaghetti and marshmallows to determine which structures are able to handle the greatest load.

In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

In this quick SciGirls activity (page 1 of the PDF under SciGirls Activity: Doghouse Design), learners will be introduced to the concept of thermal conductivity.

Learners work in groups to construct bridges using stale marshmallows and toothpicks.

In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.

This is an activity that demonstrates how batteries work using simple household materials. Learners use a pickle, aluminum foil and a pencil to create an electrical circuit that powers a buzzer.

In this activity, learners use things from the kitchen as building materials to explore how shapes contribute to the strength of different structures.

In this activity, learners use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.

In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.

In this simulation, learners use M&M™ candy to explore radioactive isotope decay.

In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.

This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.