Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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.

In this project children practice the scientific method while playing with puffy paint.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

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

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

This science fair project idea determines which method of hand cleansing is the most effective.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

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

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.