Heat Quiz for Grade 7

The transfer of energy due to temperature difference is called?

• Conduction
• Convection
• Radiation
• Heat

Heat always flows from?

• Lower to higher temperature
• Higher to lower temperature
• Colder body to hotter body
• Both directions equally

Which device is used to measure heat changes?

• Thermometer
• Calorimeter
• Barometer
• Hygrometer

Heat is a form of?

• Matter
• Energy
• Temperature
• Pressure

The SI unit of heat is?

• Calorie
• Joule
• Kelvin
• Watt

How many joules equal 1 calorie?

• 2.1 J
• 4.2 J
• 42 J
• 0.42 J

1 kilocalorie equals how many calories?

• 100
• 10
• 1000
• 4200

Which unit is used in nutrition science?

• Joule
• Calorie (capital C)
• Kelvin
• Degree

Temperature is defined as?

• Flow of heat
• Degree of hotness or coldness
• Amount of energy
• Movement of molecules

Which instrument measures temperature?

• Calorimeter
• Barometer
• Thermometer
• Voltmeter