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

This science fair project idea determines what household items are good conductors of electricity.

In this science fair project, students create their own miniature salt flats at home.

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

This science fair project idea determines what household items are good conductors of electricity.

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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

This science fair project idea produces varying pitches of sound.

This science fair project idea produces sounds by creating vibrations using different objects.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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?

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project idea experiments with spinning color wheels and optical illusions.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?