4th Grade Science Projects Resources : Page 9

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.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

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

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this science fair project you will make a model of a cell membrane using very simple material.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

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

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

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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.

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

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.

Construct and experiment with a periscope using reflected light rays to gather an image.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

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

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

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