Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

Using a toy race car kids create a visual model of the Doppler Effect.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.