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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

This biodiversity project examines the biodiversity in your own backyard.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

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.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.