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

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Test your friends to find out if you can replicate the placebo effect's incredible results.

Explore the relationship between personality traits and birth order effects.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.