Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

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

The goal of this project is to create an exciting topographical map out of dough.

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

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

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

In this activity, your child will be challenged to make a tower using paper cups.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.