Use a dichotomous key to identify plants or animals.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

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

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

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.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Find out which type of sponge holds the most water.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Think about the adaptive utility of an important aspect of our physiology.

Explore the belief in astrology as a predictive system.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science fair project examines the different composition of fungi and plants.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.