In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

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

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.