4th Grade Science Activities : Page 6

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Do different types of oil mix or stack? Find out in this science fair project idea!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project idea examines which type of insulation holds in the most heat.

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.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Test whether plants can grow without sunlight and water.

This science fair project idea determines which method of hand cleansing is the most effective.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

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 will help students learn about non-vascular plants, such as mosses.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

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

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

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.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

In this project students experiment with making music using only glasses of water.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Teach your child how butter is created by shaking up cream the old-fashioned way.