3rd - 6th Grade Science Resources : Page 23

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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 science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This basketball project explores the best way to make the perfect shot every time.

This science fair project idea investigates whether plants can survive being frozen.

Examine the effect of pressure on carbonation in soda.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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 research project challenges students to think of more effective lobster farming methods.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

In this fun activity, your child will create their very own solar oven to bake s'mores!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.