Mysteries of the Universe: Vocabulary

1. Billions of stars exist in our galaxy, but most of the universe remains a _______ , meaning unknown and unexplored.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. Scientists are still trying to understand _______ , which is the incredibly dark and mysterious matter that makes up most of the universe's mass.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. Black holes are regions in space with such strong gravity that not even light can _______ , meaning escape.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. Are we alone in the universe? The search for _______ life on other planets is an ongoing scientific quest.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. Some scientists believe there might be _______ universes beyond our own, existing in a concept called the multiverse.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. The Big Bang theory is the most widely accepted explanation for the _______ of the universe, suggesting it began from a very hot, dense state.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. Nebulae are giant clouds of gas and dust in space, where new stars are _______.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. Asteroids are large, rocky objects that orbit the sun, and sometimes pose a _______ to Earth if they collide.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. Telescopes are powerful tools that allow us to see faraway objects in the universe, helping us unravel its _______ .

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

1. Studying the universe can be both challenging and _______ , meaning awe-inspiring and mind-blowing.

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CCSS.L.1.6

CCSS.L.3.6

CCSS.L.4.6

CCSS.RL.1.4