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

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea experiments with spinning color wheels and optical illusions.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Learn whether writing things down really makes things easier to remember.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea investigates how color affects temperature.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Discover whether a metal will expand under hot water.

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

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea explores substances that cause a bubble to last longer.

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