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Mr. Wright - 8th Grade Physical Science
Physical Science Test on Chapter 9
21
Science
8th Grade
01/07/2013

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Cards

Term
Do gases generally insulate much better than solids?
Definition
Yes
Term
Is conduction the main method of heat flow in solids?
Definition
Yes
Term
Does temperature indicate the average kinetic energy of the particles in an object?
Definition
yes
Term
The amount of thermal energy that must be gained or lost to change the temperature of 1 g of a substance 1o C is called the substance's _________.
Definition
specific heat (capacity)
Term
the amount of thermal energy required to change the temperature of an object 1oC is called its ___________.
Definition
heat capacity
Term
Two touching objects that have the same temperature have reached ______________.
Definition
thermal equilibrium
Term
How are the fiducial points of the Celsius and Fahrenheit scales similar?
Definition
they both use the phase-change points of water
Term
A Stirling engine converts thermal energy to _______ energy.
Definition
mechanical
Term

Which of the following is the best conductor of thermal energy?

1 - air

2 - silver

3 - glass

4 - snow

Definition
silver
Term
Two objects in contact with each other continue to conduct thermal energy until ____________________________.
Definition
the objects have the same temperature
Term
You warm your hands on a cup of hot chocolate through ________.
Definition
conduction
Term

Which temperature system has a fiducial point at the boiling point of water?

1 - Celsuis

2 - Kelvin

3 - Fahrenheit

4 - 1 and 2

5 - 1 and 3

5 - all of these

Definition
5 - 1 and 3 (Celsuis and Fahrenheit)
Term

Which of the following has particles with the highest kinetic energy?

1 - a bathtub of warm water

2 - a lake in the winter

3 - a mug full of boiling water

4 - a thimble full of steam

Definition
4 - a thimble full of steam
Term
Which type of heat transfer is demonstrated by heat lamps keeping foot hot?
Definition
radiation
Term
Which type of heat transfer is demonstrated by the sun heating the leather seats in a car?
Definition
radiation
Term
Which type of heat transfer is demonstrated by hot air rising from the land?
Definition
convection
Term
Which type of heat transfer is demonstrated by the heating of a light bulb when it is on?
Definition
radiation
Term
Which type of heat transfer is demonstrated by ice melting when placed in a warm drink?
Definition
conduction
Term
Which type of heat transfer is demonstrated by the fact that a balloon filled with hot air rises, while one full of cold air sinks?
Definition
convection
Term
Be able to convert Celsius temperatures to Fahrenheit.
Definition
Term
Be able to convert Fahrenheit temperatures to Celsius.
Definition
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