4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea compares biodiversity between drops of water.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

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.

This science fair project idea examines liquids of different densities.

This science project teaches students to classify different shapes of leaves.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project teaches students the differences between fruits and vegetables.

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

This science project idea examines the effect of microwaving on various objects.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

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

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

This science fair project idea produces varying pitches of sound.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores the different properties of matter.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

How do organic materials become soil? This science experiment measures what materials biodegrade.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea researches the effects of acid rain on plant growth.

In this science fair project, students make their own rain gauge to measure rainfall.