G7A_Q3_QUIZ 3

It is the indicator of an object’s warmth or coldness.

• energy

• temperature

• heat

• radiation

What kind of heat transfer is the transmission of electromagnetic waves through the microwave oven?

• radiation

• conduction

• insulation

• convection

Which of the following is a GOOD conductor of heat?

• paper

• silk

• copper

• wood

A thermometer works because the liquid in its contracts when heated. This is an example of:

• conduction

• convection

• radiation

• insulation

Which of the following is an example of Radiation?

• heating water on the stove

• warm weather and bodies of water

• cooling air in air conditioners

• x-rays from x-ray machine

The reason why water boils causing the circular motion is due to?

• radiation

• convection

• insulation

• conduction

When holding an ice cube, your warm hand becomes cold. How does the heat transfer?

• From the air to your hand

• From the ice to the air

• From the ice to your hand

• From your warm hand to the ice

Which sentence explains why a cold metal rod placed in a pot of boiling water becomes hot?

• Thermal energy is transferred from the spoon to the water.

• Thermal energy in the water is transformed into kinetic energy in the metal rod.

• Thermal energy is transferred from the water to the metal rod.

• Thermal energy in the metal rod is transformed into kinetic energy in the water.

It is the most significant form of heat transfer within a solid object.

• Evaporation

• Conduction

• Radiation

• Convection

Which of the following groups of materials are considered good insulators?

• glass, rubber, aluminum, ceramic, copper

• glass, rubber, ceramic, dry wood

• aluminum, copper, gold, silver

• silver, rubber, aluminum, ceramic, wet wood