Y8 Heating and Cooling

Emily made a cup of tea and stirred it with a spoon. The spoon became warm, How was the heat from the tea transferred to the spoon?

• Convection
• Radiation
• Conduction
• Evaporation

The best example of heat transfer by convection is when

• Sunlight warms soil
• A ceiling fan blows air
• Flames heat up a pan
• Heat rises in a chimney

The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 

• conduction
• convection
• radiation

Near the ceiling of a room the air is warmer; the warm air rises because of

• conduction
• convection
• radiation

The (a)   variable is the one that you change

The dependent variable is the one that you (a)  

The (a)   variable is the one that you keep the same

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

An ice cube feels cold when we hold it. Which of the following best explains why?

• Heat moves from our hands into the ice cube.
• Cold moves from our hands into the ice cube.
• Heat moves from the ice cube into our hands.
• Cold moves from the ice cube into our hands.

Which of the following describes correctly the particles of solid?

• 
• 
• 
• None of the above