In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Science fair project that determines whether moths are attracted to one color of light more than others.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

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.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

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.

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.

Science fair project that examines the biodiversity of ant populations in various locations.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

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.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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

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!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project idea tests the efficiency of short term memory.

Explore the relationship between personality traits and birth order effects.