Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Discover which fabrics shrink the most in the wash and why.

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.

Construct batteries that make electricity from fruits with this fun science fair project.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

In this project children practice the scientific method while playing with puffy paint.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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.