3rd - 5th Grade Science Projects Resources : Page 9

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 investigates the ability of different whitening toothpastes to whiten teeth.

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

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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.

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

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.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This project determines what category of person is most likely to be ticklish.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Find out whether matte or shiny nail polish lasts longer.

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

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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