Preschool - 5th Grade Engineering and Science Inquiry Resources : Page 18

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This project compares the strength of one, two, and three-ply toilet paper.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea determines the probability of a coin landing heads or tails.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

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

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

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

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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 idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.