Structure of the Universe Vocabulary Quiz

What is the Universe?

• A large cloud of gas and dust

• Everything that exists, including all stars, planets, and galaxies

• A model of the solar system with the Sun at the center

• A group of planets orbiting a star

What defines a Galaxy?

• A collection of stars and planets

• A huge group of stars, gas, and dust held together by gravity

• A model that places Earth at the center

• A large round object that reflects light

What is a Solar System?

• The Sun and all objects that orbit around it

• A group of galaxies

• A large explosion of a star

• A model of the universe

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What is a Nebula?

• A place where new stars are born or where old stars have exploded

• A huge collection of planets

• A type of star

• A way to measure distance in space

Which of the following best describes a Planet?

• A big ball of hot gas that gives off light

• A large, round object that orbits a star and reflects light

• A star that emits energy

• A cloud of gas in space

What is a Light-year?

• A unit of time

• A way to measure distance in space

• A model of the solar system

• A type of celestial object

Which statement defines a Star?

• A large cloud of gas in space

• A ball of hot gas that gives off light and heat

• A round object that orbits a planet

• A reflection of light from a planet

What does Heliocentric mean?

• A model of the solar system with the Sun at the center

• A method of measuring distance

• A model where Earth is at the center

• A type of star system

What is Parallax?

• The distance light travels in one year

• A huge explosion of a star

• The way we see an object shift position from different angles

• A process that makes stars shine

What does Geocentric refer to?

• A model of the solar system with the Sun at the center

• An old model that believed Earth was at the center

• A distance measure in space

• A large round object in space