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Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This experiment will explore the possibility of creating an infinite object by hand.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Construct batteries that make electricity from fruits with this fun science fair project.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Will the shape of an ice cube impact how fast the ice melts?

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.