Heat & Thermal Review

The SI unit for temperature is ___________ .

• Celcius

• Kelvin

• Fahrenheit

• Joules

Write the equation to find energy?

• d=t x s

• f= m x a

• gpe= h x l x g

• q= m x T x Cs

Heat always flows/transfers from __________ to __________ objects.

• warm to cool

• cool to warm

• ice cold to freezing

Convert 273 K (Kelvin) to ___________ Celsius (ºC).

• 273 ºC

• 173 ºC

• 73 ºC

• 0ºC

Define conduction.

• Transfer of thermal energy through the movement of a fluid.

• Transfer of thermal energy through direct contact.

• Transfer of thermal energy from the sun to earth. (waves or rays)

Which of the following sections on the graph represents the state of change from liquid to gas (water to steam/vapor)?

• A --> B

• C --> D

• B --> C

• E --> F

• D --> E

Convert 30 ºC (Celsius) to __________Kelvin (K).

• 300 K

• 303 K

• 3 K

• -303 K

Define convection.

• transfer Of thermal energy from the sun to earth. ( waves or rays)

• transfer Of thermal energy through direct contact.

• transfer Of thermal energy through the movement of a fluid.

What is the unit for Heat Energy?

• J/g x C

• g

• ^oC

• J

105 g of 35 ºC water is heated until it's temperature is 100 ºC. If the specific heat of water is 4.184 J/g x ºC, calculate the amount of heat energy needed to cause this rise in Temperature.

• 28555.8 J

• 1613.21 J

• 2.6 J

• 10500 J