2nd - 4th Grade Engineering and Science Inquiry Resources : Page 12

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

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

This science fair project teaches students about wilting and browning of salad greens.

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.

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

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!

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