1st - 4th Grade Engineering and Science Inquiry Activities : Page 13

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.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

This science fair project idea explores how length affects the weight a bridge can hold.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

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.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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.

This science fair project idea produces varying pitches of sound.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

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 experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

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

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

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.