4th - 6th Grade Science Activities : Page 10

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Learn with makes water molecules work with this fun and easy science activity!

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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.

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.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

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.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

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.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

Try this chemistry experiment with your curious kid and get some "shocking" results!

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.