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Presentation transcript:

Review Quiz 1 START

What if a hypothesis is wrong? A. Throw out the whole experiment and start from scratch. B. Check procedures. If nothing was done wrong, try a new hypothesis. C. Fudge the data and submit it.

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What are characteristics of scientific theories and laws? A. They are always right and were tested by the most important scientists. B. They were made up a long time ago. C. They have been heavily tested and are almost always correct with the correct data.

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What is a physical change? A. Change in atomic structure and appearance. B. Burning a substance. C. Change in appearance but not atomic structure.

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Which of these are in order from smallest to largest? A. Proton, atom, element, compound B. Atom, proton, element, compound C. Compound, element, atom, proton

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According to the Law of Conservation of Matter, if you burn an object and trap all the gases, charcoal, and ashes, how much will you have left compared to what you started with? 33% B. 100% C. 90%

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What happens to energy when it is converted? A. It gains more energy in its new form. B. It becomes higher quality and more easily used. C. Some energy is wasted as heat.

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Where did fossil fuels come from? A. They formed when the Earth did. B. Remains of plants and animals from millions of years ago. C. Formed from rocks millions of years ago.

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What laws did NASA utilize when developing a heat shield for Dragon? A. Laws of Conservation of Matter B. Laws of Conservation of Energy C. Laws of Thermodynamics

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