3rd and 4th Grade Science Projects Resources : Page 7

This science fair project idea demonstrates that plants give off water.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Make a backbone model to explore human anatomy and life science.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

This science fair project investigates why the number of visible stars changes from place to place.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea identifies trees using a dichotomous key.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

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

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

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this project children practice the scientific method while playing with puffy paint.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Test whether plants can grow without sunlight and water.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.