Vocab 1
Engineer
a person who uses science knowledge to design something in order to solve a problem
Geosphere
the solid part of Earth
System
a group of parts that work together
Almost all of Earth's water is _______. The limited amount of freshwater is mostly located in ______ and _____.
salt water
glaciers
ground water
The amount of available freshwater _______ when people use more than the amount that flows into their area.
decreases
Resource
a supply of something useful
Atmosphere
all of the air that surrounds Earth
Evaporation
When a liquid turns into a gas
Drops of water can form when enough _____ _____ gets cold and ______ into liquid water.
water vapor
condenses
Raindrops can form when enough water vapor gets _____ and _____ into liquid water.
cold
condenses
Synthesize
to put together multiple pieces of information to understand something
Water Vapor
water in the form of invisible gas
Design
to try to make something new that solves a problem
Water molecules are ______ _______ in water vapor. Water molecules are ______ ______ in liquid water.
spread apart
close together
Water vapor in the air comes from ______ ______ that has ________.
liquid water
evaporated
Biosphere
all the living things on Earth
Condensation
where a gas turns into a liquid
Criteria
things that engineers think about and test in order to know how well something solves a problem
When water changes from gas to liquid or liquid to gas, water molecules are not _______ or _______.
created
destroyed
Water vapor ____ as it moves higher, to where the atmosphere is _____.
condenses
colder
Hydrosphere
all of the liquid water and ice on Earth
Molecule
a group of atoms formed together in a certain way
Iterate
to try something again using what you learned
the last time you tried it
When the wind blows toward a mountain, the mountain can direct the wind _____, moving water vapor _____ in the atmosphere.
upward
higher
_____ allows engineers to improve their solutions to problems.