Test- Unit 7 Energy Flashcards
The mechanical energy of a coconut falling from a tree_____.
remains constant
Unit 7 concept 2 pg 11
What would be a good example of thermal energy by convection?
The teapot on the stove
Unit 7 concept 2 pg 10
The kinetic energy of an object increases as it’s____ increases.
Velocity
Unit 7 concept 1 pg 1
Transfer of energy by the movement of heated particles.
Convection
Unit 7 concept 3 pg 19
The rate at which work is done is ____.
Power
Unit 7 concept 4 pg 27
Conduction is the transfer of heat energy by _____.
Direct particle contact
Unit 7 concept 3 pg 19
When oil is burned to produced electricity, the electrical energy produced is less than the potential energy in the oil. Which best explains this observation?
Some of the potential energy in oil is converted into forms energy other than electricity.
Unit 7 concept 3 pg 19
Temperature measures the average ___ of the partí in a material.
Kinetic energy
Unit 7 concept 1 pg 2
When an object is dropped what happens to potential and kinetic energy as it falls?
GPE goes down, KE goes up
Unit 7 concept 2 pg 11
Examples which show the same type of thermal energy transfer?
Frying pan on stove and iron on iron board
Unit 7 concept 2 pg 10
