Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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

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

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

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

Science fair project that determines whether mass and weight are the same or different.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This science fair project examines how seeds hitchhike on animals and clothing.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

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

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.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

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 science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.