April 2016


April 28, 2016 // 0 Comments

How is Sound Produced? An object makes sounds by vibrating back and forth. Parts of the vibrations of sound When sound is [...]


April 5, 2016 // 0 Comments

What is heat? Heat is another word for the thermal energy that flows through objects at a certain temperature. Temperature [...]

Simple Macines

April 5, 2016 // 0 Comments

Simple machines are machines that change the force, distance, or strength of an object. Parts of Simple Machines Effort The [...]