4th - 7th Grade Science Activities : Page 9

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

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

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

This simple experiment serves as an introduction to the greenhouse effect.

Do different types of oil mix or stack? Find out in this science fair project idea!

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project idea examines which type of insulation holds in the most heat.

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 focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?