Heat and Temperature

What would be the effect on the particles if more heat is supplied to the system? (a)  

• They would slow down
• They would stop moving
• They would speed up
• There would be no effect

There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?

• Large cup (Trenta)
• Small cup (Tall)
• Venti
• All three are the same temperature so they have same thermal energy

You heat up 2 pans of water; one has 100 mL in it, and the other has 1000 mL. Which one heats up the fastest?

• 100 mL

• 1000 mL

• They both heat up at the same speed

Heat will always transfer from the ___________ object to the ________ object.

• The hottest object to the coolest object.

• The coolest object to the hottest object.

• The solid object to the liquid object.

• The liquid object to the solid object.

The flow of thermal energy from warmer objects to cooler objects 

• Thermal energy

• Temperature

• Heat

• Convection 

Heat flows from an area of ​ (a)   temperature to an area of ​ (b)   temperature.

​ ​

• high
• low

The SI Unit for Energy is

Energy from the sun reaches Earth mostly by (a)  

• conduction
• convection
• radiation
• thermal expansion

Matter is needed to transfer thermal energy by

• conduction

• convection

• radiation

• conduction and convection

The transfer of energy as waves moving through space is called _____.