4th and 5th Grade Science Projects Resources : Page 6

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This science fair project idea explores substances that cause a bubble to last longer.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

In this science fair project, students create their own miniature salt flats at home.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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

This science fair project idea provides evidence that air is everywhere and takes up space.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea determines the most effective method of preserving food.

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