Physics Questions

The waste products of a nuclear fission powerplant can best be described asa. Small in quantity and not very dangerous.b. Large in quantity and not very dangerous.c. Large in quantity and very dangerously radioactive. Eliminated. Small in quantity and very dangerously radioactive.
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Dr. Martin Luther King, Jr., used which method to draw attention to the civil rights movement?a. whatever means necessaryb. violence and intimidationc. passive resistanced. running for political office
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Why is it important for DNA to be copied before cell division?
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Which of the following would you describe as a change in state?A) melting iceB) burning paperC) film being exposed to lightD) a piece of paper being cut in half
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Being rejected by a peer group can negatively influence one's self-esteem.
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An equinox occurs whena. neither end of Earth’s axis is tilted toward or away from the sun.b. the north end of Earth’s axis is tilted away from the sun.c. the north end of Earth’s axis is tilted toward the sun.d. Earth’s axis is parallel to the sun’s rays.
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When it's winter in the United States, in Argentina it is _____.A. spring B. summer C. fall D. also winter
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Classify the following as chemical or physical change: (a) adding sugar to lemonade, (b) plants using CO2 and H2O to form O2 and sugar, (c) boiling water, (d) frying an egg, (e) rust forming on metal, (f) fruit rotting, (g) removing salt from water by evaporation.
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Scientists follow specific processes in order to determine valid explanations and conclusions from observations. David observed strange lights in the sky above his home outside of Roswell, New Mexico. The only explanation that makes sense to him is that there are UFOs in the area. What should David do next to verify his explanation?
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What evidence did Alfred Wegener use to support his theory of continental drift?
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Fusion occurs in the _______ of the Sun, where the pressure and temperature are very high.
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Dark spots on the photosphere are known asA. the corona.B. the chromosphere.C. sunspots.D. solar wind.
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If you push on a wall with a force of 200n with what force does the wall push back
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Jenny got a balloon at a party. When she squeezes the balloon, she can squish the air inside it and change the shape of the balloon. Which of the following is/are true about the change that happens when Jenny squishes the balloon? I. It is a physical change. II. It makes a new substance. III. It is a chemical change.
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The four giant gas planets that are made primarily of lightweight elements areA. Earth, Saturn, Neptune, and Venus.B. Venus, Saturn, Uranus, and Neptune.C. Mercury, Venus, Earth, and Neptune.D. Jupiter, Saturn, Uranus, and Neptune.
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A block of lead has dimensions of 4.50cm by 5.20cm by 6.00cm. The block weighs 1587g. From this information, calculate the density of the lead.
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When all parts of a circuit are composed of conducting materials, the circuit is said to be A. shorted. B. closed. C. parallel. D. open.
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The law of suggests that the orbit of planets is not circular but .
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