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- Welcome to another BC Science 9 practice quiz!
- Pick the best answer for each question.
- Your score will decrease with every wrong guess. If you guess wrong 3 times on a question, you will receive no points.
- Get every answer correct the first time to score 100%. Good luck!
- If you wish to try the quiz again, just click the "reload" button in your browser.
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Space Exploration - Section 10.1 Quiz
When you have completed the quiz, your score will appear here --->
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Which of the following statements about Edwin Hubble's observations is false?
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Galaxies are moving toward one specific point in space
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Galaxies are moving away from Earth
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Galaxies are moving at a speed proportional to their distance from Earth
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Galaxies are moving toward each other
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Cosmic background radiation in the universe is composed mostly of
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microwaves.
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X-rays.
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light waves.
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radio waves.
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Red-shifting of distant galaxies means that
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galaxies are moving way from us..
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galaxies are accelerating.
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the further away a galaxy is from Earth, the cooler it's temperature is.
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the wavelengths of light coming from distant galaxies are becoming shorter.
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When was the Big Bang Theory first proposed?
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1927
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1963
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1898
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1989
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Which of the following words is not descriptive of the universe of 10 billion years ago?
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Larger
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Hotter
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Denser
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Brighter
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The Cosmic Background Explorer (COBE) Satellite discovered that
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cosmic background radiation is not uniform.
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the universe is youngest near its periphery.
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gravity did not exist in the early universe.
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the universe is much larger than originally thought.
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Approximately how many galaxies are thought to exist?
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500 billion
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20 million
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500, 000
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14 trillion
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Background radiation throughout the universe suggests that
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the universe began with an enormous explosion.
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all the radiation in the universe consists of one kind only.
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stars are constantly colliding into each other.
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the universe is heating up.
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In the fist trillionth of a second of the universe's existence, what do you think it might have been composed of?
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Only the building blocks of atoms
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Oxygen, nitrogen and hydrogen
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Proteins and carbohydrates
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Heavy radioactive elements
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If you could examine the universe at a point in time near its origin, which of the following would you most likely observe?
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The universe exists in an unimaginably small space
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The universe looks just like it does today
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The universe has many more stars in it
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The universe is colder than it is today
