This site is 100% ad supported. Please add an exception to adblock for this site.

Science Unit 7 Vocabulary

Terms

undefined, object
copy deck
solar system
the sun and the planets and other bodies that revolve around it
gravity
a force of attraction between two objects
orbit
the curved path of an object
astronomy
the study of planets, stars and other objects in the universe
AU
the average distance from the sun to the earth
terrestrial planet
a planet made primarily of rock
gas giant
a large planet made primarily of gases
asteroid
a rocky body that orbits the sun
comet
a ball of ice, dust, and gas that orbits the sun
meteoroid
a small object that orbits the sun
meteor
a meteoroid that has entered Earth's atmosphere
meteorite
a meteor that reaches the surface of the Earth
maria
the dark, flat regions of the moon formed by ancient lava flows
crater
a depression caused by material striking the surface
phase
the appearance of the moon when it is viewed from the Earth
eclipse
the casting of a shadow by one body on another body
fusion
the process by which the sun makes heat and light energy by changing hydrogen into helium
sunspot
a darker, cooler spot on the sun's surface
solar flare
a violent eruption of gas near a sunspot
light year
the distance that light travels in one year
constellation (Latin-stella)
stars that seem to be in a group
galaxy
a large group of stars, dust, and gases held together by gravity
Milky Way
the galaxy where our solar system is located
black hole
an object formed by a large star that has run out of nuclear fuel and collapsed
spectroscope
a tool that scientists use to analyze light
telescope
an instrument that makes distant objects appear larger
refraction
the bending of light as it passes from one material to another

Deck Info

27

aquaarden

permalink