Heat and Temperature

Give an example of conduction of heat.

• Touching a metal spoon that has been sitting in a hot cup of tea

• Mixing cold and hot water together

• Blowing on a bowl of hot soup

• Putting ice in a glass of water

Explain the concept of expansion due to heat.

• Expansion due to heat is the increase in size of a substance when it is heated.

• Expansion due to heat is the decrease in temperature of a substance when it is heated.

• Expansion due to heat is the change in color of a substance when it is heated.

• Expansion due to heat is the decrease in size of a substance when it is heated.

What is the difference between Celsius and Fahrenheit temperature scales?

• Celsius and Fahrenheit have different boiling point

• Celsius and Fahrenheit have the same starting point and degree increments

• Celsius and Fahrenheit are the same temperature scale, just with different names

• Celsius is used for measuring hot temperatures, while Fahrenheit is used for cold temperatures

Which one is TRUE

• Starting point of Celsius is 32 degrees

• Starting point of Fahrenheit is 0 degree

• Starting point of Fahrenheit is 32 degrees

• Boiling points of Celsius is 32 degrees

Which one is TRUE

• Starting point of Celsius is 0 degrees

• Starting point of Fahrenheit is 0 degree

• Boiling point of Fahrenheit is 100 degrees

• Boiling points of Celsius is 32 degrees

Why does a metal rod feel colder than a wooden rod at room temperature?

• Metal has a higher specific heat capacity than wood.

• Metal absorbs more heat than wood.

• Metal is a better conductor of heat than wood.

• Metal has a lower thermal conductivity than wood.

What is the unit of measurement for temperature?

• pounds

• degrees

• meters

• liters

How does heat transfer occur in liquids and gases?

• Conduction

• Reflection

• Convection

• Absorption

What is the boiling point of water in Celsius and Fahrenheit?

• 50°C and 122°F

• 150°C and 302°F

• 100°C and 212°F

• 75°C and 167°F

Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in ...

• temperature

• colour

• light

• speed