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Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

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

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

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

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

This science fair project demonstrates the "power of conformity".

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

In this science fair project, students make their own rain gauge to measure rainfall.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.