4th - 7th Grade Engineering and Science Inquiry Activities : Page 14

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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 determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Learn whether writing things down really makes things easier to remember.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Find out whether putting something on top of a plant will inhibit its growth.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.