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Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science fair project idea raises awareness of a real ecological issue.

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

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.