Energy Basics
What is the definition of energy?
The ability to cause change or do work
Which type of energy is related to heat or temperature?
Thermal energy
Energy moving from one object to another is called what?
Energy transfer
What is the formula for kinetic energy?
KE = ½mv²
What type of energy is produced by a flashlight shining in the dark?
Light energy
True or False: Energy can be created and destroyed.
False - it can only change form or move
What type of energy comes from moving electric charges?
Electrical energy
Energy changing from one form to another is called what?
Energy transformation
Who was the scientist who discovered that speed affects kinetic energy squared (v²)?
Willem Gravesande
When someone yells, what type of energy is being produced?
Sound energy
What are the two main forms of energy?
Potential and Kinetic
Which type of energy travels in vibrations you can hear?
Sound energy
When a toaster turns electrical energy into heat, this is showing an example of...
Energy Transformation
Kinetic energy depends on what two things?
Mass and speed
When lightning strikes during a thunderstorm, what type of energy is being produced?
Electrical Energy
What kind of energy is displayed when a ball is sitting at the top of a hill?
Potential Energy
Which type of energy travels in waves and allows us to see?
Light energy
When the Sun's light energy becomes heat on your skin, this shows an example of...
Energy Transformation
A heavier car moving at the same speed as a lighter car has more or less kinetic energy?
More
When a popsicle melts in the Sun, what type of energy is being produced?
Thermal Energy
What happens to potential energy as kinetic energy increases?
It decreases - energy is transformed from one form to another
Which type of energy involves position or motion?
Mechanical energy
Energy Transfer
What happens to kinetic energy when the speed of an object increases?
It increases
A person riding a bike produces which type of energy?
Mechanical Energy