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Chapter 16
Thermal Energy and Heat
18
Science
9th Grade
09/20/2008

Additional Science Flashcards

 


 

Cards

Term

 

 

Heat

Definition

 

 

 

transfer energy from one object to another because of a temperature difference

Term

 

 

Temperature

Definition

 

 

 

is a measure of how hot or cold an object is

Term

 

 

Absolute Zero

Definition

 

 

 

 

a temperature of 0 kelvins

Term

 

 

Thermal Expansion

Definition

 

 

 

increase in volume of a material due a temperature increase

Term

 

 

Specific Heat

Definition

 

 

 

amount of heat need to raise the temperature

Term

 

 

Calorimeter

Definition

 

 

 

an instrument used to measure changes in thermal energy

Term

 

 

In the 1700s heat was known as?

Definition

 

 

 

 caloric

Term

 

 

Benjamin Thompson was also know as

Definition

 

 

 

count rumford

Term

 

In what direction does heat flow spontaneously

Definition

 

 

 

 

from hot objects to cold

Term

 

 

 What  does thermal energy depend on

Definition

 

 

 

 

Mass temperature and phase

Term

 

 

How is heat measured

Definition

 

 

 

joules or calories

Term

 

How much energy is needed to rasie the temperature of one gram of water one degree celsius?

Definition

 

 

 

one calorie

Term

 

How many joules is one calorie 

Definition

 

 

 

 

 

4.184

Term

 

 

The unit for specific heat is

Definition

 

 

 

 

joules per garm per degree clesius

or

j/g* c

Term

 

 

 

Formula for specific heat

Definition

 

 

 

Q=m*c*t

(heat= mass * specific * change in temperature)

Term

 

 

What principle does a caorimeter use

Definition

 

 

 

heat flows from a hotter object to a colder until both reach the same temp

Term
What causes thermal expansion
Definition

 

 

 

 

 

particles of matter tend to move father apart as temp rises

Term

 

 

hi

Definition
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