Intro to Energy
Potential and Kinetic Energy Concepts
Vocabulary
Thermal Energy
Calculating Energy & Temperature
100
This is an object's ability to do work.
What is energy?
100
What factor(s) affect the gravitational potential energy of an object?
What are both mass and height?
100
Which term is best defined as a "push or pull that acts on an object?"
What is Force?
100
The two factors that affect thermal energy.
What are mass and temperature?
100
If an object is pushed with a force of 50 N a distance of 2 m, how much work is done on the object?
What is 100 joules?
200
A log is burning in a fire. The log's transformation in this process can best be described as converting ___________ energy into _________ energy.
What are chemical and thermal energy?
200
This is the energy due to the compression or stretching of an object.
What is Elastic Potential Energy?
200
This law states that energy can neither be created nor destroyed.
What is the Law of Conservation of Energy?
200
A measure of the average kinetic energy of the particles in a substance.
What is temperature?
200
What unit of measurement for temperature freezes at zero degrees at sea level and boils at 100 degrees?
Celcius?
300
This type of energy is associated with motion.
What is kinetic energy?
300
At what point in a pendulum's swing would the gravitational potential energy of the pendulum bob be the greatest?
What is... the top of the swing?
300
Which term is best defined as " the total kinetic energy of all of the particles of a substance?
What is thermal energy?
300
Two samples of water are at the same temperature. Sample A contains one gallon of water, while sample B contains ten gallons of water. Select the correct response: Sample A's has less, more, or the same thermal energy compared to sample B's.
What is .... Sample A has less thermal energy than sample B.
300
What unit of measurement describes water freezing at 32 degrees at sea level and boils at 212 degrees?
What is Fahrenheit?
400
This is the variable that is changed (manipulated) in an experiment.
What is independent variable?
400
This is the energy that takes into consideration an object's mass and it's velocity.
What is kinetic energy?
400
Which term is best defined as " a process that releases or gives off heat due to a chemical reaction"?
What is exothermic?
400
A salt dissolves in water and the temperature of the water decreases. this process that requires heat for a chemical change is best described as _________.
What is Endothermic?
400
The average ocean temperature in Maui in February is about 78 degrees Fahrenheit. Convert this temperature to Celsius. Round to nearest whole number
What is 26?
500
Potential energy is to "position" as kinetic energy is to "____________".
What is... motion?
500
This is the standard scientific unit for energy.
What is Joule?
500
This is the sum of kinetic energy, gravitational potential energy and elastic potential energy of a system.
What is mechanical energy?
500
As a candle burns, which energy transformation occurs?
What is....Chemical energy is converted to light or chemical energy is converted to heat?
500
The lowest temperature Mrs Provance has experienced in Montana was -40 C. What is this in degrees Farhenheit?
What is -40 F?
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