3rd - 7th Grade Science Activities : Page 15

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Create a bee garden to help shelter bees in your area.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea examines whether boys and girls differ in reflexes.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Make a backbone model to explore human anatomy and life science.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!