In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project teaches students about wilting and browning of salad greens.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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?

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea investigates whether plants can survive being frozen.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea explores whether talking to a plant will help it grow.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...