This science fair project idea identifies trees using a dichotomous key.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

In this project, you will observe and record changes in sunspots over two weeks.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

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

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

How powerful is the reaction between baking soda and vinegar? Find out here!

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

This project uses toy cars to determine how friction and gravity affect cars and braking.

This science project has students study the idea of human beauty.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

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

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.