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.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

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.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.