Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

This science fair project examines the different composition of fungi and plants.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

Make a backbone model to explore human anatomy and life science.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Have your child kick off their summer vacation by making a miniature water slide!

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.