Elementary School Engineering and Science Inquiry Activities : Page 20

This science fair project idea examines which type of insulation holds in the most heat.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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 idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Discover which fabrics shrink the most in the wash and why.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.