A thrown baseball or a flying arrow would be an example of
kinetic energy
100
A force can be defined as
a push or pull
100
True or False: Gas is matter
True
100
A system where nothing enters or leaves is called
a closed system
100
Kinetic: The energy of a moving object.
Potential: Stored Energy
Mechanical Energy
200
True or False: Photosynthesis is a form of energy
False
200
Energy can neither be created or destroyed, but it can
change forms
200
Matter can be rearranged, but in can not be
created or destroyed
200
A system that allows things to enter and leave
an open system
200
A wound-up spring is an example of this
potential energy
300
Gasoline and food are examples of what form of energy?
Chemical Energy
300
Give 2 examples of potential energy
rock on the edge of a cliff, wound up spring
300
List two facts about Matter.
occupies space and has mass
300
What system in where things are able to enter and exit at the same rate?
Steady system
300
Energy for running a television
electrical energy
400
List 2 useful strategies for taking care of our energy resources.
Use less energy, make our technology use energy more efficiently, and us alternative energy sources.
400
Kinetic energy can be defined as
moving energy - energy in motion
400
What law did you demonstrate in the lab?
Law of Conservation of Mass
400
Heat spontaneously flows to cold is known as what law?
Second law of thermodynamics
400
The warmth of a fire or a blow-dryer
heat energy
500
List 3 ways why our economy is running out of useful energy.
we rely on nonrenewable sources, energy can not be recycled, we do not conserve energy very well.
500
What is the equation for Work?
Work = Force x distance
500
During the lab, how did you know that mass was not destroyed even though is changed forms?
Mass can not be created or destroyed - Law of Conservation of Mass
500
Name the 3 forms of second law of thermodynamics
Form1: Transform one type of energy to another - decreases the amount of energy
Form2: Heat flows from Hot to Cold
Form3: Disorder is natural and tendency to increase
500
Energy locked in the nucleus of an atom, caused by the movement of nuclear particles