SJI 7- SCIENCE Heat and Temperature

What is heat?

• A measure of how hot or cold an object is

• A form of energy that transfers between objects due to temperature differences

• A type of energy stored in cold objects

• The same as temperature

What is temperature?

• The energy transferred between objects

• A measure of the average kinetic energy of particles in a substance

• The total heat content of an object

• The ability of a material to conduct heat

Which unit is used to measure heat?

• Kelvin (K)

• Joule (J)

• Celsius (°C)

• Fahrenheit (°F)

Which unit is used for absolute temperature measurements?

• Celsius (°C)

• Kelvin (K)

• Joule (J)

• Fahrenheit (°F)

Why does metal feel colder than wood at the same temperature?

• Metal is a better insulator than wood.

• Metal conducts heat away from your hand faster than wood.

• Wood has more mass than metal.

• Wood absorbs heat from your hand.

What is the freezing point of water in Celsius?

• 100°C

• 0°C

• 32°C

• -273°C

What is the boiling point of water in Fahrenheit?

• 0°F

• 100°F

• 212°F

• 32°F

Which temperature scale has 0 as absolute zero?

• Celsius

• Kelvin

• Fahrenheit

• None of the above

What happens when heat is transferred from a hot object to a cold object?

• Both objects reach thermal equilibrium.

• The hot object becomes hotter.

• The cold object cools further.

• No heat transfer occurs.

Which statement about heat and temperature is correct?

• Heat measures the average kinetic energy of particles.

• Temperature is the total energy transferred between objects.

• Heat and temperature are the same.

• Heat is the energy transferred due to temperature differences.