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The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science experiment tests if dog saliva can really help heal wounds.

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

This science fair project teaches students about wilting and browning of salad greens.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea determines if the color of light affects the growth of plants.

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 science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea identifies trees using a dichotomous key.

The objective of this experiment is to determine how effective hot water is in killing various kinds of microorganisms.

Who can hold their breath longer, smokers or non-smokers? Find out in this science fair project idea!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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

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.