4th Grade Science Projects Resources : Page 9

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.

Find out whether putting something on top of a plant will inhibit its growth.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project will help students learn about non-vascular plants, such as mosses.

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.

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.

This science fair project idea investigates if fats add to the flavor of food.

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 science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Learn whether writing things down really makes things easier to remember.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.