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64 Cards in this Set
- Front
- Back
- 3rd side (hint)
1. Know the steps to the scientific method |
Question/Problem Research Hypothesis Experiment Analyze the results conclusion |
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2. What is a hypothesis?
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A possible explanation for an observation that can be tested by scientific investigations
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3. What is a prediction?
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A statement of what will happen next in a sequence of events
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4. Know the tools used to measure solids
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and liquids?
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Solid- scale Liquid- graduated cylinder
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5. What are telescopes used for?
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To observe wavelengths and things far away in the sky
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6. Know the 2 types of telescopes.
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Radio and Optical
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7. What are the 2 types of optical telescopes?
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Reflecting and Refracting
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8. What is a refracting telescope?
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A telescope that uses a convex lens to concentrate light from a distant object
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9. What is a reflecting telescope?
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A telescope that uses a curved mirror to concentrate light from a distant object
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10. What is a radio telescope?
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A telescope that collects radio waves and some microwaves
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11. What was the 1st optical space telescope?
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The Hubble
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12. What is a rocket?
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A vehicle designed to propel itself by ejecting exhaust from one end
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13. What is a satellite?
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Any small object that orbits a larger object
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14. What are satellites used for?
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Military television and phone signals monitor weather and climate and some are for GPS
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15. What is a space probe?
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An uncrewed spacecraft sent from Earth to explore objects in space
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16. What is a space shuttle?
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Are reusable spacecraft that transport people and materials to and from space.
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17. What things has space materials been used for?
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Fire fighter suits running shoes and braces
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18. What is a revolution?
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The motion of one object around another
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19. What is an orbit?
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The path one object follows as it moves around another object
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20. What is a rotation?
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A spinning motion
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21. Why is Earth warmer at the equator and colder at the poles?
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By the poles a beam of sunlight is more spread out because of Earth’s tilt. So the beam is less intense and less energy in received at the poles were at the equator sunlight can hit directly cause more energy and heat.
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22. What causes the seasons?
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The tilt of Earth’s axis
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23. What is the summer solstice? The winter solstice?
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Summer- The longest day of the year when the earth is tilted towards the sun Winter- when the earth is tilted more away from the sun
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24. What is the spring equinox? The fall equinox?
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Spring- when the Earth is tilted toward nor from the sun Fall- Earth is tilted toward nor away from the sun
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25. do we always see the same side of the moon?
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The moon rotates the same time it revolves
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26. What is the current theory of the moon’s formation?
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It was formed from debris left from an astronomical body colliding with Earth
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27. What is the moon’s revolution speed? Rotation speed?
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27.3
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28. What does waxing mean?
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We see more of the moon each night
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29. What does waning mean?
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We see less of the moon each night
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30. What is the penumbra?
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The lighter part if a shadow where light is partially blocked
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31. What is the umbra?
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The central darker part of a shadow where light is totally blocked
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32. What is a solar eclipse? |
When the moon's shadow appears on the earths surface
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When the moon’s shadow appears on the Earth’s surface |
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33. What is the difference between a partial and total eclipse. |
You can only see a total eclipse inside the umbra. You can see a partial eclipse in the larger penumbra. |
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34. Who can see a solar eclipse?
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Anyone is the penumbra and umbra
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35. Why don’t eclipses happen every month?
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It is rare for the Moon
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Sun
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36. What is a lunar eclipse?
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When the Moon moves into the Earth’s shadow
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37. Who can see a lunar eclipse?
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Anyone that is on the dark side of the earth (the side the moon is on) and in the penumbra and umbra
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38. What is a tide?
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The daily rise and fall of sea level
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39. What is a spring tide?
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When there is the greatest difference between high and low tides. (highest high and lowest low)
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40. What is a neap tide?
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When the Sun
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Moon
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41. What is the definition of a planet?
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A spherical object that orbits the sun. Also
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it is a celestial body and that the mass must be larger than the total mass of all of the object around it.
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42. What is a dwarf planet?
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A spherical object that orbits the sun.
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43. What is an asteroid?
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Millions
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of small
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44. Where are asteroids found?
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Between Mars and Jupiter and on the Asteroid Belt
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45. What is a comet?
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An object made of gas
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dust
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46. Where are comets located?
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Outer parts of the solar system
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47. What is an astronomical unit?
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The distance between the Sun and Earth
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48. What is a meteoroid?
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a small
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rocky particle that moves through space
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49. What is a meteor?
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Is a streak of light in Earth’s atmosphere made by a glowing meteoroid
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50. What is a meteorite?
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A meteoroid that strikes a planet or a moon
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51. What is an impact crater?
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A round depression formed on the surface of a planet
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moon
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What is a light-year?
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The distance light travels in 1 year
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What is apparent magnitude?
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How bright a star appears from earth
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What is absolute magnitude?
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The real brightness of a star
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What is a star?
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A large ball of gas held together by gravity
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What is nuclear fusion?
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The process that occurs when a nuclei of several atoms combine into one larger nucleus
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Know the layers of the Sun.
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Corona
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Chromosphere
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How are stars classified?
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By their spectra
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temperature and color
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What does the H-R diagram measure?
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Luminosity v.s. temperature
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What are main-sequence stars?
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Stars that produce nuclear fusion
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What are nebulas?
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A cloud of gas and dust
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What is a supernova?
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An enormous explosion that destroys a star
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What is a black hole?
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An object whose gravity is so great that no light can escape
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What is the Big Bang Theory?
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The universe began from 1 point billions of years ago and has been expanding ever since. |
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