Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Discover whether a metal will expand under hot water.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project idea explores whether white light can be separated into different colors.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This science fair project idea explores the egg's thin membrane.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!