Grade 7 - Heat

Heat and Temperature are the same thing.

• True

• False

Energy that does NOT need a medium to transfer heat is called __________

• Conduction

• Radiation

• Convection

• Reflection

What is an insulator?

• Something that does NOT absorb heat very well.

• Something that absorbs heat.

___________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.

• Radiation

• Conduction

• Insulation

• Convection

When you use a microwave, what is the main way that heat is transferred?

• Convection

• Radiation

• Conduction

• Insulation

Which of the following is the best example of conduction?

• A light bulb warming a lampshade

• A piece of paneer cooking in a frying pan

• Water boiling in a pot

• Gases circulating in the atmosphere

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• Convection

• Conduction

• Insulation

• Radiation

SI unit of heat is _____

• cal

• joule

• kcal

• kelvin

1 cal = 4.2 J

• True

• False

On Fahrenheit Scale, ice point is ___⁰F

• 212

• 0

• 32

• 273