Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

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

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

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

Making your own glass cleaner is easy, effective and inexpensive!

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

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This project examines whether people's taste perception is influenced by what they see.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.