3rd - 5th Grade Science Projects Activities : Page 4

How powerful is the reaction between baking soda and vinegar? Find out here!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Find out whether a longer airplane will fly farther or a wider paper airplane.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea determines if the color of light affects the growth of plants.

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

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

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.

This science fair project idea explores the different properties of matter.

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

Test whether plants can grow without sunlight and water.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.