Who was Isaac Newton? Sir Isaac Newton is a well-known astronomer, mathematician, and physicist. He is known for his [...]

What is Electricity? Electricity is the flow of electrons in a path. This path is called a circuit. A circuit is the path [...]

What is Light? Light is made of electric and magnetic energy. This energy travels as a wave with both frequency and [...]

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

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

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

What is Work? Work is how much energy is used to do something. Work is equal to force times distance. Positive work is if [...]

What is a Force? A force is any push or pull of an object to another object. Forces can be measured in Newtons and pounds. A [...]

What is Position? A position is the location of an object, or where the object is located. What is Motion? Motion is a [...]