Online Test Flashcards
What is energy?
Energy is the ability to do work or produce change.
True or False: Energy can be created or destroyed.
False: Energy cannot be created or destroyed, only transformed.
Fill in the blank: The two main types of energy are ______ and ______.
kinetic; potential
What type of energy is associated with motion?
Kinetic energy.
What type of energy is stored due to an object’s position?
Potential energy.
Give an example of kinetic energy.
A moving car.
Give an example of potential energy.
A rock positioned at the top of a hill.
Multiple Choice: Which of the following is a form of potential energy? a) A stretched rubber band b) A flowing river c) A spinning top
a) A stretched rubber band.
What is chemical energy?
Chemical energy is something that is released during burning or reactions
True or False: All forms of energy can be converted into one another.
True.
What is electrical energy?
Electrical energy is the energy carried by charges around an electrical circuit
What is nuclear energy?
Nuclear energy is the energy released during nuclear fission or fusion.
True or False: Sound energy is a form of kinetic energy.
True.
What is the unit of energy in the International System of Units (SI)?
Joule (J).
Fill in the blank: The energy of a stretched spring is an example of ______ energy.
elastic potential
What is gravitational potential energy?
Gravitational potential energy is an object that is at any height above the surface of the earth
What is the principle of conservation of energy?
The principle states that energy cannot be created or destroyed, only transformed from one form to another.
Fill in the blank: Wind energy is a type of ______ energy.
kinetic
True of false? Chemical energy stored in food is released while it is burning
True
