4th - 7th Grade Engineering and Science Inquiry Activities : Page 11

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science project teaches students to classify different shapes of leaves.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This project examines what types of objects burn and which burn faster and cleaner.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.