Phys 102 Lecture 19

How many kinds of heat transfer are there?

• 1
• 2
• 3
• 4 or more

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

Tags

NGSS.MS-PS3-3

What is the definition of RADIATION

•  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat is transferred from objects like rays of light or electromagnetically.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

Which of the following is an example of convection?

• A hair dryer is drying up your hair.
• When the AC or heater changes the temperature.
• When a car engine turns hot after being turned on.
• When you are making soup and the water is rising and lowering.

Tags

NGSS.MS-ESS2-6

Which of the following heat transfers happen in the earth's mantle?

• Convection
• Conduction
• Radiation
• N0NE OF THEM

Tags

NGSS.MS-PS3-4

What heat transfer happens when you burn your hand by touching a fire?

• Radiation
• Conduction
• Convectio
• I don't know!!!!!!!!!!!

Which of the following is needed for convection to happen?

• Fluid/s
• Light in the form or rays
• Electromagnetic waves
• Fire

Tags

NGSS.MS-ESS2-6

When a pot is  touching a stove that is on, what heat transfer is happening?

• I don't know??????
• Radiation
• Conduction
• Convection

What scale do we use to measure temperature?

• thermometer
• Celsius
• both Fahrenheit & Celsius
• Fahrenheit

Heat from the sun travels to Earth by _____.

• conduction
• convection
• insulation
• radiation