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.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

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 exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Learn all about balance and motion as your child designs a corn maze!

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

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

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.

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.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

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

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 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.

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

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.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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

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