This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

This science fair project idea explores whether certain physical and mental traits run in the family.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

Find out whether people within a family tend to have matching fingerprints.

The objective of this science project is to investigate patterns in fingerprints among family members.

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

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Determine whether the relationship between a personâs armspan and height are genetic.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

This science fair project idea determines how your body responds to allergies.

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

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Explore the relationship between personality traits and birth order effects.

Word color association is just a fancy way to talk about the way we connect colors with words.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Evaluate whether birth order influences personality.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This science fair project idea studies the differences in gender perception between people.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.