Space Objects Review

How was the moon formed?

• The moon was formed when the Earth was formed

• 4.6 billion years ago, Earth was struck by an object the size of Mars

• There is no such thing as the moon

• An asteroid was pulled into the Earth's orbit 3 million years ago

What is a celestial object?

• a massive collection of gases in space that emits large amounts of energy

• circular or bowl-shaped holes in surfaces

• any object that exists in space

• any object orbiting the Sun

Tags

NGSS.MS-ESS1-3

Which of these does NOT classify something as a planet?

• Orbit a star and no other celestial object

• Contain enough mass so its gravity pulls

  it into a round or spherical shape

• Be able to clear other celestial objects out

  of orbit

• Be at least 4 billion years old

Tags

NGSS.MS-PS2-4

What are planets made out of solid material called?

• Terrestrial planets

• Gas giants

• Asteroids

• Lemmings

Which of these planets is farthest away from the Sun?

• Mars

• Saturn

• Jupiter

• Neptune

Tags

NGSS.MS-ESS1-3

Which of the following does a refracting telescope use to gather light and focus images?

• mirrors

• lenses

• sensors

• film

What color are the hottest stars?

• Red

• Yellow

• Orange

• Blue

True or false? Stars are evenly spread out within a galaxy.

• true

• false

What is the term for "the brightness of a star if it were located 33 ly from Earth?"

• satellite

• color

• absolute magnitude

• asteroid

Scientists use scientific notation when they deal with very large or small numbers. Is 1.24 x 10⁸ km a large or small number?

• Large number

• Small number