2nd - 4th Grade Engineering and Science Inquiry Activities : Page 6

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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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.

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.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This project investigates the affect of storage temperature on microwave popcorn.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates the hardness property of minerals.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!