4th - 7th Grade Engineering and Science Inquiry Resources : Page 5

This science fair project idea investigates whether plants can survive being frozen.

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.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

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

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

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

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

This science fair project idea produces varying pitches of sound.

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

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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.

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?

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

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.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.