3rd and 4th Grade Science Projects Resources : Page 3

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This science fair project idea determines what household items are good conductors of electricity.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This science fair project teaches students the differences between fruits and vegetables.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea explores the different properties of matter.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

The goal of this project is to create an exciting topographical map out of dough.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.