This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

This science fair project idea investigates if fats add to the flavor of food.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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

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

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

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

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.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This basketball project explores the best way to make the perfect shot every time.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Science fair project that determines whether mass and weight are the same or different.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.