4th - 7th Grade Science Projects Activities : Page 6

This science fair project idea explores the egg's thin membrane.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

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

The purpose of this science fair project is to build a basic radio.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this project, you will observe and record changes in sunspots over two weeks.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project teaches students about wilting and browning of salad greens.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

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

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

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Discover whether a metal will expand under hot water.