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

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

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this design challenge, your child will make a bottle rocket using typical household items.

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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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 fun experiment provides a concrete and visually striking illustration of photosynthesis.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Discover whether cold or hot water from the faucet will boil faster on the stove.