4th Grade Science Projects Resources : Page 3

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

The goal of this project is to create an exciting topographical map out of dough.

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 project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

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

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

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 researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

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

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

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

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

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

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.