Search 3rd Grade Science Projects: Page 8

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Do you think heat can affect a plant's growth rate?

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.

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.

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.

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

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

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

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.