Energy Unit

Energy is found in different forms such as light, heat, solar, sound and motion. However, energy can be classified into two distinct categories: (1) kinetic energy (2) ___________
Potential energy
Electrical energy
Force
Which of the following is a definition of energy?
Energy makes change, it does things for us
Energy makes change, allows us to do things
None of the above
What is Kinetic Energy?
Motion
Stored energy
Energy yet to be made
Energy that has already been made
What is potential energy?
Motion
Stored energy
Energy yet to be made
Energy
Which of the following are examples of kinetic energy
Motion energy
Sound
Thermal energy
Nuclear energy
Which of the following are examples of potential energy?
Stored mechanical energy
Gravitational energy
Chemical energy
Electrical energy
What happens to an object’s kinetic energy when speed increases?
It decreases
It increases
It remains constant
There is no kinetic energy
What happens to an object’s potential energy when speed increases?
It decreases
It increases
Stays constant
There is no potential energy
What does the law of conservation of energy state?
Energy is constantly being destroyed
Energy is constantly being created
Energy is neither created nor destroyed.
Energy efficiency is the amount of useful energy that you can get from a system. Are most energy transformations efficient?
Yes
No
What is thermal energy?
Thermal energy is the internal energy(heat) in substances.
Thermal energy is the external energy(heat) in substances.
What happens to an object’s kinetic energy when height increases?
It increases
It decreases
It remains constant
It dies
What happens to an object’s potential energy when height increases?
It decreases
It increases
Constant
None of the above
What is friction?
The transfer from PE/KE to thermal energy
None of the above
Ieyshdksa
Friction creates what kind of energy?
Gravitational energy
Elastic energy
Thermal Energy
Electrical energy
If an automobile travels from one place to another, which is a distance of 70 km, and the car's average speed is 100 km/hr, how long will the trip take?
0.7hr
700min
0
What happens to KE when the mass of an object doubles?
Once
Double
Quadruple
________________ energy is the energy of motion
Kinetic
Potential
Thermal
What happens to KE when the speed of an object doubles?
Doubles
Triples
Quadruple
`none of the above
_______ is the total amount of energy, both kinetic and potential
Thermal
Kinetic
Potential
_______ energy is the energy that is stored.
Potential
Kinetic
Thermal
None
A paper airplane flying
Thermal
Potential
Kinetic
__ energy is used to power things that have a plug.
Electrical
None enrgy
I dont know
Which of the following demonstrates electrical energy? Check all that apply
Computer
 
{"name":"Energy Unit", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Energy is found in different forms such as light, heat, solar, sound and motion. However, energy can be classified into two distinct categories: (1) kinetic energy (2) ___________, Which of the following is a definition of energy?, what is Kinetic Energy?","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}
Powered by: Quiz Maker