If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

This science fair project idea explores whether talking to a plant will help it grow.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science fair project idea explores the egg's thin membrane.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This biodiversity project examines the biodiversity in your own backyard.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Have your child kick off their summer vacation by making a miniature water slide!

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

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