Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea experiments with spinning color wheels and optical illusions.

Learn how different types of soil affect how animal tracks form in this experiment!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Discover whether a metal will expand under hot water.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Plant a mini herb garden and teach your child about science and nature.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.