Energy and Phases of Matter

Andrew reached for his water bottle and noticed it was wet on the outside.  He inspected the bottle and there were no holes. How did it get wet?

• combustion
• condensation
• melting
• evaporation

Sarah accidently kicked her soccer ball into the family's gong, causing her mom to yell, no playing ball in the house. What type of energy alerted her mom? ( \o/ where is the sound energy? )

• electric
• nuclear
• mechanical
• potential

Nicholas's favorite toy is his John Deere Gator. If it is powered by batteries what type of energy conversions take place to drive it? 

• electrical-->chemical-->mechanical
• chemical-->mechanical-->electrical
• chemical-->electrical-->mechanical
• mechanical-->electrical-->chemical

Elizabeth wants to heat up her beverage (60^oc), however she only has three objects to put her cup on. The first is a rock (95^oc), second is a table (58^oc), and third a chair (49^oc). Which should she choose? 

• rock
• chair
• table
• none of the above

What determines which way heat flows?

• mass
• temperature
• specific heat
• volume

How can you increase the speed of water molecules?

• decrease temperature
• keep the temperature the same
• increase temperature
• you can't speed up water molecules, they are too lazy

What is the process of heat transfer in the picture above?

• radiation
• conduction
• celsius
• convection

What is the boiling point and freezing point of water in degrees celsius?

• 110^oc and 10^oc
• 212^oc and 32^oc
• 100^oc and 0^oc
• 100^oc and 32^oc

The steam coming off the pot of boiling water is an example of....

• a solid becoming a liquid
• a liquid becoming a solid
• a liquid becoming a gas
• a gas becoming a liquid

What does this picture represent? 

• solid
• liquid 
• gas
• plasma