Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

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 condensation and the conditions needed in order for dew to form.

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 science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Find out whether matte or shiny nail polish lasts longer.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This science fair project idea examines which type of insulation holds in the most heat.

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.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project idea produces varying pitches of sound.

This science fair project idea determines the most effective method of preserving food.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

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