PHYSICS Q1 M6 ASSESSMENT

Who introduced the absolute temperature scale?

• Andres Celsius

• Gabriel Fahrenheit

• William Rankine

• William Thompson

Which expands the greatest when heated at the same temperature?

• gas

• solid

• liquid

• all expand equally

A substance releases heat without changing its temperature whenever it is _______.

• melting and boiling

• boiling and condensing

• melting and condensing

• freezing and condensing

A change in 10K corresponds to _______.

• -263ºC

• -263Cº

• 10Cº

• 10ºC

Why is sand hotter than water at daytime but colder at night?

• Sand is solid, while water is liquid.

• Sand and water have equal specific heats.

• . Sand has a lower specific heat than water.

• Sand has higher specific heat than water

What happens to water when its temperature reaches 4ºC?

• It becomes denser

• It becomes less dense.

• Its volume will reduce.

• Its volume will not change.

What is the absolute zero temperature?

• -273ºC

• -32ºF

• 0ºC

• 273K

What happens to the temperature if more heat is added to a sample of boiling water in the stove at 1 atm?

• decreases

• increases

• remains the same

• increases then decreases

Dry ice has a temperature of -110.2ºF. What would its temperature be on the Celsius scale?

• -711.0

• -198.0

• -142.2

• -79.00

Temperature of a body measures the molecular_______.

• average kinetic energy

• average potential energy

• differences in kinetic energy

• differences in potential energy