UNIT 10 REVIEW Mrs. Buffington. WHAT IS A LIGHT YEAR? A. One light year is approximately 10 thousand meters. B. A light year is determined by the amount.

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Presentation transcript:

UNIT 10 REVIEW Mrs. Buffington

WHAT IS A LIGHT YEAR? A. One light year is approximately 10 thousand meters. B. A light year is determined by the amount of time it takes light to travel through a vacuum in one year. C. represent a measure of time D. A light year is determined by measuring how far light travels through a vacuum in one year.

THE FIRST TO SUGGEST THAT THE EARTH IS NOT THE CENTER OF THE UNIVERSE WAS - A. Kepler B. Ptolemy C. Copernicus D. Einstein

WHICH OF THE FOLLOWING DOES NOT SUPPORT THE THEORY OF THE BIG BANG? A. Scientists have found that the greater the distance of a galaxy, the greater the red shift of the galaxy. B. Scientists have not found a star older than the approximate age of the universe. C. Scientists have found background radiation throughout the universe. D. All of the above support the Big Band Theory.

THE SCIENTIST WHO INCLUDED THREE LAWS ABOUT THE MOVEMENT OF THE PLANETS AS PART OF HIS THEORY OF THE UNIVERSE WAS - A. Kepler B. Copernicus C. Einstein D. Ptolemy

ACCORDING TO CURRENT RESEARCH DATA, WHAT WILL HAPPEN TO THE UNIVERSE? A. The universe will stop and stay a constant size B. The universe will expand forever C. The universe will shrink back down to a single point D. No definite conclusion has been made

THE DISCUSSION QUESTION ON THE TEST IS… Explain how a light year is a measure of distance and why it is necessary to use light years as a unit of measure. Prepare your answer before the test.