Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This fascinating science fair project explores eye color genotypes.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science project has students study the idea of human beauty.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

In this science fair project, students investigate how different colors influence appetite.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

This science fair project idea compares the cuteness reaction between genders.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.