Test - Thermal Energy/ Work and Power Flashcards
1
Q
When you hold an ice cube, why do your hands feel cold?
A
Heat flows from your hands to the ice cube
NB19
2
Q
What are examples of thermal energy transfers?
A
A pan on top of a hot stove and and iron
NB19
3
Q
When oil is burned to produce electricity, the electrical energy produced is less than the potential energy in the oil. What best explains this observation?
A
Some of the potential energy in oil is converted into forms of energy other than electricity.
NB26
4
Q
As the time required to do a given amount of work decreases, what does the power do?
A
Increase
NB27
