Patterns of Earth & Sky
a scientist who studies stars, planets, and other objects in the universe
astronomer
a tiny piece of matter that is too small to see
atom
water in the form of invisible gas
water vapor
a scientist who studies ecosystems
ecologist
a description of how something works or why something happens
explanation
an arrangement of stars as seen from Earth
constellation
matter that is made of more than one substance
mixture
all of the liquid water and ice on Earth
hydrosphere
a diagram that shows what eats what in an ecosystem
food web
information that supports an answer to a question
evidence
to move in a regular path around something
orbit
to mix evenly into a liquid by breaking apart into pieces that are too small to see
dissolve
a person who uses science knowledge to design something in order to solve a problem
engineer
a community of organisms together with its environment
ecosystem
observations or measurements recorded in an investigation
data
the sun, the planets that orbit the sun, and other objects that orbit the sun
solar system
what you can observe or measure about something that helps you identify or describe it
property
when a gas turns into a liquid
something taken in by plants and animals that helps them grow
nutrient
to use any of the five senses to gather information about something
observe
the pull between Earth and other objects, which acts even without touching
gravity
matter that is made of only one kind of atom or molecule
substance
to put together multiple pieces of information in order to understand something
synthesize
the process of using carbon dioxide, water, and sunlight to create food for plants
photosynthesis
something scientists make to answer questions about the real world
model