4th Grade Engineering and Science Inquiry Activities : Page 3

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.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

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

Have your child kick off their summer vacation by making a miniature water slide!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This science fair project idea produces varying pitches of sound.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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

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

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

This science experiment tests if dog saliva can really help heal wounds.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

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 determines if the color of light affects the growth of plants.

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!

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea explores the egg's thin membrane.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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