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

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.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea explores substances that cause a bubble to last longer.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Making your own glass cleaner is easy, effective and inexpensive!

This science fair project idea provides evidence that air is everywhere and takes up space.

This science experiment tests if dog saliva can really help heal wounds.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.