GEI-1 UNIT 4 VOCABULARY

What does the word "billion" mean?

• A hundred million

• One thousand million

• A hundred thousand

• A million

Which of the following describes a "black hole"?

• A bright star that emits light

• A cloud of gas and dust in space

• A region of space where gravity is so strong that even light cannot escape

• A group of planets orbiting the sun

What is a synonym for the word "galaxy"?

• Planet

• Star system

• Universe

• Solar wind

Which word means "a cloud of gas and dust in space"?

• Galaxy

• Nebula

• Celestial

• Luminous

What is the antonym of "discover"?

• Find

• Reveal

• Uncover

• Lose

Which of the following sentences uses "emit" correctly?

• The telescope was used to emit celestial objects.

• The sun emits heat and light across space.

• Astronomers emit planets to study their orbits.

• The galaxy emits billions of black holes.

What does the word "reside" mean?

• To depart or leave a place

• To live or stay in a place permanently

• To travel across space

• To observe stars in the sky

What does "celestial" relate to?

• The earth and its atmosphere

• The ocean and sea creatures

• The sky, stars, or outer space

• Cities and man-made structures

Which of the following words is the opposite of "distant"?

• Far

• Near

• Remote

• Long

What is a synonym for "massive"?

• Tiny

• Huge

• Small

• Invisible