The purpose of this science fair project is to build a basic radio.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science project allows students to study the psychology of happiness.

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.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this activity your child will create their very own marble maze!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.