The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Try this chemistry experiment with your curious kid and get some "shocking" results!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Find out which kind of bubble wrap fares best when put in impact.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Challenge your learner to design and build a city of their own in this creative engineering activity.