5th - 8th Grade Engineering and Science Inquiry Activities : Page 5

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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

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

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

In this design challenge, your child will make a bottle rocket using typical household items.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

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

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.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

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

This science fair project idea produces varying pitches of sound.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

The purpose of this science fair project is to build a basic radio.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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 creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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.

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

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