4th - 7th Grade Science Projects Activities : Page 15

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.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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.

Demonstrate how to tell the age of an egg without having to crack it open.

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

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.