Heat Transfer
Types of Energy
Take a Chance
Density
Convection, Conduction and Radiation
100
True or False:
Heat always moves from cool to warm.
False
Heat always transfers from warm to cool!
100
What type of energy is running an example of?
Mechanical/Kinetic Energy
100
Where is the greatest kinetic energy?
3
100
How do you calculate the volume of an irregular solid?
Water displacement
Final Volume - Start Volume = Volume
100
A group of campers want to make s'mores. They gather all of their ingredients and make a campfire. What kind of thermal energy transfer occurs between the campfire and the marshmallow?
Radiation
200
True or False:
In convection, warm air/water rises and cool air/water falls.
True
200
What type of energy is gasoline an example of?
Chemical Energy
200
Burning yourself on a hot stove is what type of thermal transfer?
Conduction
200
The tabl provided identifies a substance based on its density. A sample of an unknown substance has a mass of 73.5 g and a volume of 7 cm3. Based on this density, the unknown substance could be which of the following?
Silver
200
DOUBLE JEOPARDY!!!!
Name two examples of radiation.
Answers may vary!
Examples: The sun's heat we feel from earth, feeling the heat from a hot plate from a distance, roasting marshmallows on a campfire, etc
300
Why does ice melt at room temperature?
Heat from the warmer air transfers into the ice cube and melts the ice cube
300
What type of energy is the warmth of the sun?
Thermal Energy
300
What are the properties of a metal?
Shiny, Conductor, Malleable, Ductile, Can be Magnetic
300
Find the mass and volume to calculate the density of the key.
Mass: 104 g
Volume: 10 cm3
Density: 10.4 g/cm3
300
Is this an example of Conduction, Convection or Radiation?
Convection
400
A scientist conducted a heat transfer experiment. They placed four containers that were made of different materials on their lab table. Each container contained 50 mL of water at 27o C. The initial water temperature was recorded. The water temperature was also recorded 10 minutes later.
Which container was the most effective at preventing heat transfer from the water to the environment?
Container 1
400
What type of energy is a battery an example of?
Chemical Energy
400
Where is the greatest gravitational potential energy?
5
400
Find the mass and volume to calculate the density of the goldfish.
Mass: 536.8 g
Volume: 6 cm3
Density: 89.47 g/cm3400
Name two examples of convection.
Answers may vary!
Examples: Water boiling in a pot, the water cycle, Lava lamp, a heater in a room causing warm air to rise as the cool air falls, etc.
500
DOUBLE JEOPARDY!!!
Four metal blocks were heated to different temperatures and stacked together as shown. In which directions will heat be transferred by conduction? List 3 examples.
Sample 1 to Sample 2
Sample 3 to Sample 1
Sample 3 to Sample 2
Sample 3 to Sample 4
Sample 4 to Sample 1
500
What type of energy is wind moving the blades of a turbine?
Mechanical Energy
500
Where are potential and kinetic energy about equal?
2
500
Find the mass and volume to calculate the density of Spongebob.
Mass: 37.3 g
Volume: 2 cm3
Density: 18.65 g/cm3
500
DOUBLE JEOPARDY!!!
Give 2 examples of conduction
Answers may vary!
Examples: A pan touching a hot burner, a hot iron being pressed to a shirt, an icyhot patch on your back, burning yourself on a hot seatbelt in the summer