Search 4th Grade Science Projects

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

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.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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 science fair project teaches students the differences between fruits and vegetables.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea examines whether boys and girls differ in reflexes.

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

This science fair project idea examines liquids of different densities.

This science project teaches students to classify different shapes of leaves.

This science project idea examines the effect of microwaving on various objects.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

Take a dive into the candy jar with this yummy science experiment.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea produces varying pitches of sound.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea explores the different properties of matter.

This science fair project idea identifies trees using a dichotomous key.