What does the word "constantly" mean?

• Happening once in a while

• Happening repeatedly or without stopping

• Happening only during the day

• Happening only at night

What does the word "expand" mean?

• To decrease in size

• To stay the same size

• To increase in size, grow, spread

• To disappear

What is a "process"?

• A single step to achieve a goal

• A series of steps that are taken to achieve a specific result or goal

• A random action

• A quick decision

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Who is an "astronomer"?

• A scientist who studies plants

• A scientist who studies animals

• A scientist who studies the heavenly bodies outside of Earth

• A scientist who studies the ocean

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What does the Big Bang Theory describe?

• The universe was a tiny ball until it exploded sending matter, space, and time flying in all directions.

• The universe was always the same size and never changed.

• The universe was created by a giant star.

• The universe is shrinking over time.

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What is a synonym?

• A word that means the opposite of another word.

• A word that means precisely or nearly the same as another word.

• A word that has no meaning.

• A word that is used in a different language.

What is an antonym?

• A word that means precisely or nearly the same as another word.

• A word that means the opposite as another word.

• A word that has multiple meanings.

• A word that is used in poetry.

What does the term "visible" mean?

• Something you can hear

• Something you can touch

• Something you can see

• Something you can smell

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What is a "cluster"?

• A single object

• A group of similar things that are close together

• A type of star

• A type of galaxy

What does "dense" mean?

• Light and airy

• Closely packed together; compacted; crowded

• Far apart

• Transparent