Search 3rd Grade Science Projects : Page 7

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

In this experiment you explore how tectonic plates move to create land and expand bodies 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.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This project determines what category of person is most likely to be ticklish.

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

How powerful is the reaction between baking soda and vinegar? Find out here!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.