This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

Find out which type of sponge holds the most water.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

In this science fair project, students use the streak test to tell minerals apart from each other.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

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

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

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.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

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

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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