Cups
Which cup had two layers? Regular or Fancy?
Fancy
What is the speed of gas molecules?
Fast
What is evaporation?
When liquid changes to a gas?
What is condensation?
The process by which a gas changes into a liquid.
In what state of matter does molecules have the highest energy?
Which cup kept the drink the coolest? Regular, Paper, Fancy, Travel Cup?
Travel Cup
What is the distance between solid molecules?
Close Together
When water evaporates it turns into what?
Steam
True or False: The water droplets on the outside of the cup come from the water in the cup.
False
True or False: Water vapor is in the air all around us.
True
What is an example of an item that traps heat?
Coat, Clothes, Blanket, etc.
Liquid molecules move at _________ speed.
Medium
When the lid is off a cup with hot water over time it _______ mass.
During condensation, does the temperature of the substance increase or decrease?
Decreases
Does heat move from cold to hot or from hot to cold?
From hot to cold
What makes up the regular cup system?
Cup body, Straw, Lid, Air, and Water.
Cold water molecules move __________ than room temperature water molecules.
Why does a puddle disappear after a sunny day?
The heat from the sun causes the water to evaporate into the air.
When liquid water condenses because of a decrease in temperature it becomes _______.
Ice
How does a cardboard sleeve on a coffee cup slow down coffee from cooling down?
It traps air and make it more difficult for the heat from the cup to move to your cool hand.
What is the dependent variable in this situation?
If I study math facts for 20 minutes a day, then I will do better on my test because the more you practice the better you get at math.
What temperature water makes things such as peppermints dissolve faster?
Hot Water
Give me one example of evaporation. Beside the cups.
Many answers
What happens to the motion and structure of water molecules when condensation occurs?
They slow down and become packed together.
Ethan says, “The cold from the refrigerator cools my leftovers.” What’s wrong with his explanation?
Cold doesn’t move — heat leaves the warm leftovers and transfers into the colder air of the fridge.