Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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!

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea investigates how the shape of an object affects drag.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

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!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

The objective of this science project is to determine the length of time for different seeds to germinate.

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

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.