This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.