Unit test 3

The temperature difference of 1K is the same as

• 2°C
• 1°C
• 0.5°C
• 1°F

What is the preferred temperature scale used in scientific laboratories?

• Celsius
• Fahrenheit
• Rankine
• Kelvin

Which phase of water has the largest specific heat?

• Water vapor
• Ice
• Steam
• Liquid water

What kind of heat transfer requires no medium?

• Conduction
• Convection
• Insulation
• Radiation

Which of these substances has the greatest specific heat?

• Iron
• Copper
• Gold
• Water

Which of the following is an example of heat transfer through convection?

• 1. The energy emitted from the filament of an electric bulb

• 1. The energy coming from the sun

• 1. A pan on a hot burner

• 1. Water boiling in a pot

What are the SI units of latent heat?

• J/kg
• J/s
• kg·m²/s²
• N·m

Which substance has the largest latent heat of fusion?

• Water
• Ice
• Salt
• Sugar

In which phase changes does matter undergo a transition to a more energetic state?

• Condensation
• Freezing
• Deposition
• Melting, vaporization, sublimation

A room has a window made from thin glass. The room is colder than the air outside. There is some condensation on the glass window. On which side of the glass would the condensation most likely be found?

• On the frame of the window
• Inside the glass window
• Outside the glass window
• In the air of the room