Search 3rd Grade Science Projects: Page 6

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea investigates the difference in reaction times between boys and girls.