Academic Year Second Term. Science Revision Sheet. Grade

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1 Academic Year Second Term Science Revision Sheet Grade 6 Name: Grade Date: Section: Part A. Science Practice. Circle the letter of your answer. 1. When the moon is waxing, its lighted part appears to. A. increase in size B. decrease in size C. become invisible D. become totally visible 2. Which description best defines the term season? A. the time it takes Earth to complete one full rotation on its axis B. the time it takes Earth to complete one revolution around the sun C. a specific time of the year that is characterized by recurring weather conditions D. a time of year that is characterized by constantly changing weather conditions 3. The diagram shows how Earth spins on its axis, causing day and night. Which term describes the movement shown? A. tilt B. orbit C. rotation D. revolution Page 1 of 10

2 4. New, full, gibbous, quarter, and crescent describe. A. the moon's orbit B. phases of the moon C. the moon's rotation D. stages of a lunar eclipse 5. One line of evidence of Earth's revolution around the sun is. A. the Coriolis Effect B. Foucault's pendulum C. the varying positions of a constellation over a period of weeks D. the varying positions of a constellation over a period of hours 6. When the moon is waxing, its lighted part appears to. A. increase in size B. decrease in size C. become invisible D. become totally visible 7. One line of evidence of Earth's revolution around the sun is. A. the Coriolis Effect B. Foucault's pendulum C. the varying positions of a constellation over a period of weeks D. the varying positions of a constellation over a period of hours 8. During equinox, the sun's rays strike Earth at a 90-degree angle along the equator. What is the result of the equinox? A. An unseasonably warm day occurs in the midst of winter. B. The hours of darkness are longer than the hours of daylight. C. The hours of daylight are longer than the hours of darkness. D. The hours of daylight and the hours of darkness are about the same. 9. The cycle of the moon's phases repeats in a predictable way. About how long does it take to cycle from one new moon to the next new moon? A. about one day B. about one year C. about one week D. about one month Page 2 of 10

3 10. The phases of the moon are caused by the relative positions of Earth, the sun, and the moon. Lunar phases refer to the appearance of the illuminated portion of the moon as seen by an observer on Earth. When the moon is aligned with and between Earth and the sun, which phase is happening? A. full moon B. new moon C. first quarter moon D. third quarter moon 11. The phases of the moon are the changing appearances of the moon, as seen from Earth. Which solar system event can happen only during a full moon? A. a new moon B. a solar eclipse C. a lunar eclipse D. a waning gibbous 12. The Northern Hemisphere receives more solar energy during one part of the year than it does during other parts of the year. Which statement describes what happens during the year to explain this? A. The angle at which sunlight reaches the Northern Hemisphere changes. B. The distance of the Northern Hemisphere from the sun changes. C. The amount of energy that is produced by the sun changes. D. The angle that Earth is tilted on its axis changes. 13. The diagram shows the position of Earth at four different times during the year. In what position would the United States receive the most hours of daylight? A. position A B. position B C. position C D. position D 14. Kevin travels from the United States to Australia for the winter, but when he gets there it feels more like summer. Which statement explains this? A. The Northern Hemisphere is experiencing an equinox. B. The Southern Hemisphere is experiencing an equinox. C. The Southern Hemisphere is tilted toward the sun, so it is summer in Australia. D. The Southern Hemisphere is tilted away from the sun, so it is summer in Australia. Page 3 of 10

4 15. When it is winter, the United States receives the least direct solar energy, as compared with the rest of the year. Why does this happen? A. The Northern Hemisphere is closer to the sun. B. The Northern Hemisphere is farther from the sun. C. The Northern Hemisphere is tilted toward the sun. D. The Northern Hemisphere is tilted away from the sun. 16. How do the temperatures at Earth s equator compare with the temperatures at the poles during the year? A. The equator is generally cold. B. The poles are generally warm. C. There is less variation in temperature at the equator. D. There is more variation in temperature at the equator. 17. In addition to changes in the number of hours of daylight, what other factor contributes to Earth s seasons? A. time of the day B. angle of the sun s radiation C. energy as heat from the moon D. warm air blowing from the oceans 18. Which characteristic is associated with winter as compared to summer? A. noon sun lower in the sky B. higher daytime temperatures C. more daily hours of sunlight D. longer days and shorter nights 19. Examine the diagram of Earth s orbit. The position labeled 1 represents the season of summer in. A. Antarctica B. the Eastern Hemisphere C. the Southern Hemisphere D. the Northern Hemisphere Page 4 of 10

5 20. Vesna is studying seasons on Earth. She drew a diagram of Earth to show how it is tilted on its axis. Vesna wants to include the label of Earth s tilt on her diagram. What angle should Vesna add? A B C. 30 D. 45 (B): Physical Science Q1: Write (T) for a true statement and (F) for a false statement. 1. The diagram in the passage is a model that shows how Earth and the moon move. Write T or F in the correct box to indicate whether the statements about the diagram are true or false. Statement True False A. The tilting of the earth causes seasons B. Earth has a nearly circular orbit around the sun. C. Earth is very hot as you get closer to the poles. D. Solstices mark the two days of the year when Earth s axis is tilted directly toward or away from the sun. E. Equinox means different hours of day and night. Q2. Fill in the blanks (Umbra, Penumbra, Total Solar Eclipse, Total Lunar Eclipse, constellation, fall season, Leon Foucault) 1. The darker inner shadow during an eclipse is called 2. The partially dark areas during a solar eclipse is called 3. occurs when the whole moon passes through the Umbra. 4. happens when the Earth-Sun-Moon are in a straight line. 5. is a group of stars that forms a pattern. 6. Autumn also means 7. was the first person to design an instrument that describes earth s rotation. Page 5 of 10

6 Q3: Match each term in column (A) with its definition in column (B) A Ans B 1. Constellation a. The moon sets 2. East b. Orbits the sun 3. West c. Events that occurred and apply everywhere in nature hours d. Group of stars in specific patter such as Orion days e. The moon rises. 6. Orbit f. moon appears totally dark from earth 7. Earth g. The North Star. 8. Moon h. A year on earth 9. Polaris i. The path a body follows at it travels through another body. 10. One month j. Orbits the Earth. 11. Full Moon k. The moon orbits the earth 12. New Moon l. Shadow of moon fall on Earth 13. Eclipse m. Shadow of earth falls on the moon 14. Solar eclipse n. Moon appears totally bright from earth. 15. Lunar eclipse o. Shadow of one celestial body falls on another. Page 6 of 10

7 Q4: Answer the following questions: Write a short note on the following. 1. What is an orbit? 2. Define the term phase? 3. List Eight types of moon phases 4. When does solar eclipse occur? 5. When does lunar eclipse occur? 6. Describe the position of Earth s axis during the winter solstice. How does this affect seasons in the Northern Hemisphere and in the Southern Hemisphere? Page 7 of 10

8 7. Look at the diagram of Earth. Describe how the tilt of Earth contributes to the seasons. Give an example. 8. The diagram shows the position of Earth at four different times during the year. According to this diagram, what season(s) in the United States do Position C and Position D represent, respectively? 9. Describe at least one effect that Earth s position in space will have on the United States during Position B. Page 8 of 10

9 10. Differentiate between rotation and revolution the earth. Rotation of Earth Revolution of Earth 11. Differentiate between a full Moon and a New moon. Full Moon New Moon 12. Draw and color a solar eclipse. Page 9 of 10

10 13. Draw and color a lunar Eclipse. Page 10 of 10

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