Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This project researches whether the type of land use affects the water quality of Queenstown Creek.

This science fair project idea raises awareness of a real ecological issue.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project that determines which foods and drinks contain the highest amount of glucose.

This science fair project idea measures physical dexterity as a function of temperature.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

This science fair project idea investigates whether air has mass and weight.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

The project researches how lubricants affect the mechanical advantage of a pulley.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

This experiment will explore the best way to create a perfect soft-boiled egg.

This science fair project idea discovers the mechanism of laminar flow and encourages technological progress based on this concept.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.