Jeopardy Heat Transfer 1 Heat Transfer 2 100

Jeopardy Heat Transfer 1 Heat Transfer 2 $100 $100 $200 $200 $300 $300 $400 $400 $500 $500 Conductors Insulators Final Jeopardy Definitions

1 - $100 n Why does chocolate melt when sitting in a hot car? n Radiation

1 - $200 n What type of waves transfer energy from the Sun to the Earth? n Electromagnetic waves

1 - $300 n What form of energy makes ice cream melt? n Thermal energy

1 - $400 n Heat transfer occurs from ______ objects to ______ objects n From warm objects to cool objects

1 - $500 n Why does your hand feel cold when you are holding an ice cube? n The thermal energy in your hand moves out of your hand, into the ice cube. When the energy moves out of your hand, it feels colder.

2 - $100 n What is the primary source of energy on Earth n The Sun

2 - $200 n What is a convection current? n The circular motion of air or water that occurs due to differences in temperature that transfers heat from one part of the fluid to another

2 - $300 Your feet feel hot in the sand due to what form of heat transfer? n Conduction

2 - $400 n What form of heat transfer is occurring when the air from a furnace heats the room? n Convection

2 - $500 n Why might the ice on a sidewalk melt on a day when the air temperature is lower than 32 degrees Fahrenheit? n The Sun’s energy radiates to the sidewalk, warming up the ice

3 - $100 n True or False: Copper is a good conductor of electricity? n True

3 - $200 n True or False: A wooden spoon conducts heat better than a metal spoon? n False

3 - $300 n Why is a tile floor a good conductor? n It easily transfer heat away from your skin

3 - $400 n True or False-air is a good conductor? n False

3 - $500 n True or false-aluminum is a good conductor? n True

4 - $100 n True or False – Glass is a good insulator n False

4 - $200 n True or False – metals are good insulators n False

4 - $300 n True or false – clothes are insulators that slow the transfer of cold into your body n False – they are insulators that slow the transfer of heat out of your body

4 - $400 n True or false – wood and wool are good insulators of heat n True

4 - $500 n True or false – Rubber is a good insulator of electricity n True

5 - $100 n What is thermal energy? n Thermal energy is the total energy of all of the particles in an object

5 - $200 n What is heat? n Heat is thermal energy moving from a warmer object to a cooler object

5 - $300 n What is temperature? n Temperature is the average kinetic energy of the individual particles in matter

5 - $400 n What is a conductor n A material that conducts heat or electricity well

5 - $500 n What is an insulator n A material that does not conduct heat or electricity well

Final Jeopardy n Explain the movement of air and water in convection currents n The warmer air or water is less dense so it rises, and the cooler air or water is more dense, so it sinks to the bottom to take its place, forming a circular motion or current