4th Grade Engineering and Science Inquiry Resources : Page 8

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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

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

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.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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.

Could there be toxic chemicals lurking in the cupboards and closets of your home?