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

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

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

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

In this science fair project, students use the streak test to tell minerals apart from each other.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

In this science fair project you will make a model of a cell membrane using very simple material.

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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.