3rd and 4th Grade Science Resources : Page 19

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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 explores the different properties of matter.

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

In this project children practice the scientific method while playing with puffy paint.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.