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

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

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

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

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

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 emulsifiers that allow oil and vinegar to mix.

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.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea investigates whether plants can survive being frozen.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project idea provides evidence that air is everywhere and takes up space.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science fair project idea explores the egg's thin membrane.

This project investigates the affect of storage temperature on microwave popcorn.

In this experiment we will be determining whether birds prefer certain colors of seed.

Find out whether putting something on top of a plant will inhibit its growth.