How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

This science fair project idea investigates whether plants can survive being frozen.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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 fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

In this project students experiment with making music using only glasses of water.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea examines which type of insulation holds in the most heat.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair project idea explores the different properties & interactions of sugar molecules.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!