Search 4th Grade Science Projects: Page 11

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Take a dive into the candy jar with this yummy science experiment.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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

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

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

This project investigates the affect of storage temperature on microwave popcorn.

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.

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

In this project students experiment with making music using only glasses of water.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.