Changes caused by Thermal Energy

Mrs. McCreight bought a venti water from Starbucks. She noticed that the cups foggy. Water vapor in the air had made tiny drops form and collect on the outside of her cup. What process occurred on the outside of the cup? 

• Freezing 
• Evaporation
• Evaporation
• Condensation

James boiled water to make tea. The directions said to boil 2 cups of water. After he waited for the water to cool, he only had 1 1/2 cups of water. What happened to the rest of the water? 

• Evaporation
• freezing
• magic
• condensation

Elizabeth held chocolate chips in her hand for 3 minutes. They started to melt while it was in her hand. This happened because... 

• It was evaporating
• It was snowing outside
• Her body temperature 
• Her hands were very cold

Rudolph and Dasher had built a fire. Rudolph was sitting 2 feet away while Dasher was sitting 10 feet away. Who is receiving more heat energy ?

• Neither is getting heat energy
• They both are receiving the same amount. 
• Rudolph, because he is closer to the fire
• Dasher, because he was sitting father away from the fire. 

Jingles has two different objects at two different temperatures. One is a hot water bottle and the other is a blanket. What happens when the two objects are placed on top of each other? 

• The objects will remain the same. 
• The cooler object will get cooler
• The cooler object will become warmer
• The warmer object will get cooler

Which of these is a good insulator? 

• Rubber
• copper
• iron
• aluminum

Which of the following best describes how energy moves through a material by conduction?

• a plastic foam cup keeping your drink cold
• pasta moving in a boiling pan 
• touching a hot biscuit and burning your hand
• the sun warming your skin

A lake that is frozen in the winter will melt during the spring. This happens because, in the spring -

• there are usually more days with rain
• many plants begin to grow new leaves and flowers
• the days are warmer and the sun shines longer
• humans get to spend more time outside

When a liquid is cooled, what change is likely to occur?

• melting 
• condensation
• evaporation
• freezing

A crayon is left outside on a sunny, summer day. All of the following will likely be observed EXCEPT –

• change of state
• change from liquid to a gas
• some melting
• change in shape