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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.

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea demonstrates that plants give off water.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This project determines what category of person is most likely to be ticklish.