Energy Test #2 Review (2021)

Warm water from the ocean moves to the north while cool waters moves to the south. This is an example of.. 

• Conduction
• Convection
• Radiation

You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?

• The cold energy from your hand transferred to your friend's hand through conduction.
• The heat energy from your friend's hand transferred to your hand through conduction. 
• The cold energy from your hand transferred to your friend's hand through convection.
• The heat energy from your friend's hand transferred to your hand through convection.

Which is an example of radiated heat for cooking?

• cooking a pot of soup

• scrambling eggs on the stove

• grilling hot dogs over a campfire

• frying hamburgers in a frying pan

Which substance will conduct the least amount of heat?

• glass

• copper

• plastic

• aluminum

Which is the best example of conduction?

• boiling a pot of water

• feeling heat from a fireplace

• a hot air balloon rising and falling

• touching a hot handle and getting burned

Which best explains why metal is a good material to make frying pans?

• Metal is a good conductor of heat and transfers heat from the stove to the food.

• Metal is a good conductor of heat and does not transfer heat from the stove to the food.

• Metal is a poor conductor of heat and transfers heat from the stove to the food.

• Metal is a poor conductor of heat and does not transfer heat from the stove to the food.

How does heat energy from the Sun reach Earth?

• radiation

• solar wind

• conduction

• convection

Sarah is stirring her hot chocolate with a metal spoon, and she notices that the spoon is getting hot. This is most likely caused by which type of heat?

• conduction

• convection

• radiation

• insulation

When choosing materials to build a fireplace, why is brick a better choice than metal?

• Brick is a conductor.
• Brick is heat resistant.
• Metal is a conductor.
• Metal is heat resistant.

Which best explains how roasting marshmallows happens?

• Heat from the fire is conducted into the marshmallow.
• Heat from the fire is radiated into the marshmallow.
• The coolness of the marshmallow is conducted into the fire.
• The coolness of the marshmallow is radiated into the fire.