This science fair project idea investigates how color affects temperature.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

This science fair project idea determines if the color of light affects the growth of plants.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science project teaches students to classify different shapes of leaves.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this experiment we will be determining whether birds prefer certain colors of seed.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

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.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!