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In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

The goal of this project is to create an exciting topographical map out of dough.

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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Science fair project that uses distillation to convert salt water into fresh water.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

In this science fair project, students examine how temperature affects sugar transport within a plant.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

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

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

The project researches how lubricants affect the mechanical advantage of a pulley.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.