4th - 7th Grade Science Projects Activities : Page 5

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project idea produces varying pitches of sound.

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

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project idea determines which method of hand cleansing is the most effective.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This science fair project idea identifies trees using a dichotomous key.

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

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

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.

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

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

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

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

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

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

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

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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.