__________ energy is what is transferred from object to object.
What is thermal energy.
100
____________ are physical forms in which a substance can exist.
What are states of matter.
100
When a substance undergoes thermal expansion: (Circle all that apply)
a) its particles expand
b) its particles spread out
c) its particles get colder
d) its volume increases
What is b and d - its particles spread out and the volume increases.
100
What temperature scale do weather reporters in the United States use to tell you how hot it is outside?
What is Fahrenheit.
100
Metal is a good example of this:
What is a conductor?
200
___________ is when high temperature objects transfers to low temperature objects.
What is thermal equilibrium.
200
When an object changes from liquid to solid, it:
What is freezes.
200
Under what condition can heat occur between two objects?
What are the objects must be at different temperatures.
200
Temperature is a measure of the average _________ of the particles in an object.
What is kinetic energy.
200
Expansion joints are used in bridges in order to prevent the bridge from:
What is buckling.
300
A machine that uses heat to do work.
What is a heat engine.
300
When an object changes from a solid to a liquid, it
What is melts.
300
If two objects have the same temperature, but the larger object has more moving particles than the smaller object, what do you know about the thermal energy of the two objects?
What is the larger object has more thermal energy.
300
The faster the particles of an object are moving, what happens to the temperature of the object?
What is the temperature gets higher (increases).
300
When you read the nutritional information on a package of food, the amount of energy contained in the food in one serving is given in:
What is Calories...notice the capitalized C not the lower case c!!!
400
The conversion of a substance from one physical form to another.
What is change of state.
400
When an object changes from a liquid to a gas, it:
What is boils.
400
You place a warm bottle of juice in ice water. After the bottle and the ice water have reached thermal equilibrium:
a) The juice is cooler than the water.
b) The water is cooler than the juice
c) The water and the juice have the same temperature.
d) The water is cooler than it was before
What is C = The water and the juice have the same temperature.
400
What temperature is 45 degrees Celsius to Fahrenheit?
(Formulas:)
F = 32 + 9/5C
C = 5/9(F-32)
K = C + 273
What is 113F
400
Daily Double -
Explain the Greenhouse Effect.
What is
1) Visible light passes through the atmosphere and heats the earth.
2) The earth radiates infrared waves, some of which escapes into space.
3) Greenhouse gases trap some of the reradiated energy near the Earth's surface.
500
The amount of energy needed to change the temperature of 1kg of a substance by 1 degree Celsius.
What is specific heat capacity.
500
When an object changes from a gas to a liquid, it:
What is condenses.
500
Thermal pollution hurts a river's ecosystem by:
What is heating the water excessively.
500
What temperature is 15 degrees Celsius in Kelvin?
(Formulas:)
F = 32 + 9/5C
C = 5/9(F-32)
K = C + 273
What is 288k
500
The rate at which a substance conducts thermal energy is: