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

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project investigates why the number of visible stars changes from place to place.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science fair project idea explores the different properties of matter.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Examine the effect of pressure on carbonation in soda.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.