Water Everywhere
What are the 3 phases of water?
Solid, Liquid, and Gas
What needs to happen for raindrops to form in the atmosphere?
Water vapor must cool and condense
What are the four main parts of the Earth system?
Atmosphere, hydrosphere, biosphere, and geosphere.
What is a molecule?
A group of atoms joined together in a specific way
What did you design/create in Lesson 2.7?
A freshwater collection system
What is it called when a liquid changes to a gas?
Evaporation
What is the name of the process that forms clouds and raindrops?
Condensation
Which part of the Earth system includes oceans and lakes?
Hydrosphere
What happens to water molecules when they evaporate?
They move faster and spread farther apart
What does “constraint” mean in engineering?
A limit or rule that designers must follow
What is it called when water changes from a gas to a liquid?
Condensation
Why does more rain form over West Ferris than East Ferris?
Air rises and cools over West Ferris, leading to more condensation and rainfall
Which part of the Earth system includes all living things?
Biosphere
What happens to water molecules when they condense?
They slow down and move closer together
How can saltwater be turned into freshwater?
Through evaporation and condensation — removing the salt
Where does the water on the outside of a cold cup come from?
The air on the outside
What is a raindrop made of?
Condensed water vapor that turns into liquid water
How do the hydrosphere and atmosphere interact to form rain?
Water vapor in the atmosphere condenses into liquid water that falls from the hydrosphere
When water changes from gas to liquid or back again, what happens to the number of water molecules?
It stays the same — they aren’t created or destroyed
What part of the water cycle helps engineers collect freshwater from saltwater?
Evaporation and condensation
Why is there water on the cup with ice in it, but not on the cup without ice?
Because the cold temperature causes water vapor to condense into liquid water
What happens to the water molecules when raindrops fall to the ground?
They can evaporate again, continuing the water cycle.
What does the word “system” mean?
A group of parts that work together
How does the nanoscale view help us understand condensation?
It shows that cooling causes water molecules to stick together and form liquid water
Why is teamwork important when designing a water system?
Because engineers can share ideas and improve designs together