Ch. 5 Thermal Energy Heat 9

Boiling a pot of noodles on the electric stove consists of which of the following?

• conduction and convection

• convection and radiation

• convection only

• conduction only

Why are 2 panes of glass used in windows?

• Air is a good insulator

• it stays clear

• Extra glass keeps the rain out

• None of these.

What is the correct formula to calculate specific heat?

• specific heat divided by mass times change in temperature

• Change in temp divided by specific heat times masss.

• Specific heat times mass divided by change in temperature

• Specific heat times mass times change in temperature.

Tags

NGSS.MS-PS3-4

What is the correct unit for specific heat?

• Force

• Joules

• Watts

• Newtons

Lake water heats up slower than sand on the shore. Which of the following is correct?

• Specific heat of sand is greater than specific heat of water

• Specific heat of water is greater than specific heat of sand

• Specific heat has no effect.

• None of these are correct.

The handle of a spoon in a bowl of hot soup becomes warm due to heat transfered by the process called

• Convection

• conduction

• Thermal expansion

• radiation

Joints in train tracks are designed with extra space to allow for _ in hot weather.

• Thermal energy

• Radiation

• Kinetic energy

• Thermal expansion

A water filled bathtub has the same temperature as water in a teacup, the tub will have more...

• Thermal expansion

• Thermal energy

• Radiation

• Kinetic energy

Tags

NGSS.MS-PS1-4

The temperature scale used in most of the world is the ...

• Fahrenheit scale

• Kelvin scale

• Celsius scale

• Conduction scale

Specific heat of copper is 385 j/kgK. How much thermal energy is needed to raise 10 kg to 4 K?

• 154

• 399

• 1540

• 15400

Tags

NGSS.MS-PS3-4