Search 4th Grade Science Projects

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.

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.

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.

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

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

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.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.