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Temperature
Heat Transfer
Random
Changes of State
Challenge
100
In the United States, the most common temperature scale is called the ________________ scale.
What is Fahrenheit.
100
______________ is thermal energy moving from a warmer object to a cooler object.
What is heat.
100

Correct or Incorrect?

The cold from an ice pack moves out of the ice pack and enters your skin causing it to cool 

Incorrect

100
All matter exists in three states which are...
What is solids, liquids, and gases.
100
What will happen to the temperature of an object the faster its molecules move?

The temperature will go up. 

200
The temperature scale used in most of the world is the _________________ scale.
What is Celsius.
200
Heat is transferred in three ways. Name the three ways.
What is conduction, convection, and radiation.
200

True or False

A coat insulates us from the cold, so our body heat does not escape. 

True

200
The physical change from one state of matter to another is called a ___________________.
What is change of state.
200

Describe a situation in which heat transfer occurs.

many situations, such as a hot pan sitting on a counter top.  The pan's heat transfers to the counter top. 

300
On this scale, the number 32 is assigned to the temperature at which water freezes.
What is Fahrenheit.
300
Soup warming in a pot on the stove is an example of what kind of heat transfer?
What is convection.
300

A nickel is worth how many cents?

5 cents

300
Matter will change from one state to another if thermal energy is ______________ or ______________.
What is absorbed or released.
300

_______ is the transfer of thermal energy between substances. 

heat

400
On this scale, the number 100 is assigned to the temperature at which water boils.
What is Celsius.
400
The tip of an iron poker sitting in a fire is an example of what type of heat transfer?
What is conduction.
400

True or False

The sun is a good source of radiant heat. 

True

400
Freezing occurs when a substance ____________ thermal energy.
What is loses.
400

Temperature is....

a measurement of thermal energy. 

500
At this temperature, no more energy can be removed from matter.
What is absolute zero.
500
Heat lamps hanging above a buffet table at a restaurant are examples of what type of heat transfer?
What is radiation.
500

Which freezes faster hot or cold water?

Hot

500
When gas loses a sufficient amount of thermal energy, it will change into a ______________.
What is liquid.
500

Thermal energy is transferred between substances only when they have different ________. 

Temperatures