Science Projects Resources : Page 20

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This science fair project idea determines which method of hand cleansing is the most effective.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Examine the impact of insecticides on plant growth.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Science fair project that explores the natural process of limestone formation.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

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

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Explore the belief in astrology as a predictive system.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Determine how good we are at direct and indirect observation.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?