MGA ALITUNTUNIN BAGO MAGSAGOT. ACTIVITY 1: 1. Basahin at pag-aralan nang maigi ang modyul bago sagutan ang mga Multiple Choice. Choose the letter of the best answer and write on the space provided. activities at posttest na nakasulat dito. Ito lamang ang mga dapat mong Use CAPITAL letters only. sagutan. Huwag ka ng maghanap ng iba para hindi ka mahirapan. 2. Ang papel na ito ay libre kaya huwag ka nang magsagot sa yellow paper o _1. Which is not an argument by the Ancient Greeks about the sphericity of Earth? iba pang papel para mas madaling macheck ng iyong guro. A. Earth's shadow on the moon is always round 3. Gumamit ng ballpen para malinaw naming makita ang iyong mga sagot. B. The sun rises in the east and sets down in the west C.Explorers going south see southern constellations rise above the horizon. 4. Utang na loob, magsulat muna ng PANGALAN AT SECTION bago D.Every portion on Earth tends to be compressed and form a sphere magsagot. Hindi po nare-record ang mga gawa na walang pangalan. 2. Which phenomenon was known only with the aid of a telescope A. Eclipse B. solstice C. sunspot D. supernova PHYSICAL SCIENCE 3. According to Kepler's third law of planetary motion, to which quantity is the period of Quarter 2 Week1_Activity Sheet revolution of a planet related? A. Size of the planet C. distance along semi-major axis B. Mass of the planet D. gravitational attraction of the sun and the Name_ Grade-Strand: planet PRETEST: Write your answers on the space provided. Use CAPITAL letters only. 4. The apparent daily motion of the stars as a result of Earth's rotation about its axis is called 1. Which BEST explains why the Earth is not disk-shaped? Score: A.Annual motion C. retrograde motion A. Stars are viewed differently when traveling north and south. B.diurnal motion D. precession of the equinoxes B. The shadow cast by Earth during a lunar eclipse is circular. 5. The apparent motion of the sun caused by Earth's revolution around it is called C. The shadow cast in two different cities during a solstice differed in length. A.Annual motion C. retrograde motion D. The only shape that cast a circular shadow in whatever direction is a sphere. B.diurnal motion D. precession of the equinoxes 2. Which of the following is an annual motion? A. Moonrise unset ACTIVITY 2. How far and how many years? B. Eastward rise of stars D. Vemal equinox Using the formula given for the Law of Harmony, find the number of years a 3. What astronomical event was NOT known to men before the advent of telescopes? planet takes to orbit the Sun and its distance from the Sun (semi-major axis). A. Solar eclipse B. Summer solstice C. Retrograde of Mars D. Rotation of the Sun Ex. Pluto's a3 = 64,000. Its distance from the Sun (a) is equal to 40 AU. 4. Which aided Eratosthenes in measuring the Earth's circumference? Likewise, Pluto's P2 64,000. Its orbital period (P) is equal to 252.98 years. A. The appearance of stars differs when travelling from north to south. B. The shadow cast within the Syene and Alexandria during the solstice. Orbital period (a) Distance from C. A sphere is the only shape that cast a circular shadow in whatever direction. Square of Cube of the semi- Planet planet's orbital major axis of the the sun (P) D. The shadow cast by the Earth during a lunar eclipse is circular. years (P) planet's orbit (a* ) in years in AU For nos. 5-6, choices are: in astronomical units A. Autumnal equinox B. Eastward rise of stars C. Summer solstice D. Zodiac cycle (AU) Mercury (1) (2) 5. What is a diurnal motion? 0.058 0.058 6. Which does NOT involve the Sun's ecliptic path? Venus 0.378 (3) (4) For nos. 7-10, choices are: 0.378 A. All planets revolve around the sun in an elliptical orbit. (6) B. Any point in the closed curved is equidistant to the two foci. Earth 1.00 1.00 (5) C. Planets move fastest in the elliptical orbit when nearest to the sun. (8) Mars 3.54 3.54 (7) D. The length of a planet's revolution in the Sun is proportional to its orbit's size. 7. Which describes the law of ellipse? 141 (10) Jupiter (9) 141 8. Which describes the law of harmony? 9. Which describes the law of equal areas? 10. Which explains the difference in the orbital period of Earth and Saturn? Quarter 2 Week!_Activity Sheet Quarter 2 Week1 Activity SheetWhat I Have Learned ) Posttest (Assessment): Identify the astronomical events being described in each item. Write your Write your answers on the space provided. Use CAPITAL letters only answer on the space provided. 1. Which BEST explains why the Earth is not disk-shaped? 1. It is the daily motion of stars and other celestial bodies across the sky due to Earth's rotation. A. Stars are viewed differently when traveling north and south. 2. It is a model which deems Earth as the center of Answer B. The shadow cast by the Earth during a lunar eclipse is circular. the universe. C. The shadows cast in two different cities during a solstice differed in length. 3. An event in which the sun passes the celestial D. The only shape that cast a circular shadow in whatever direction is a sphere. equator. 2. Which of the following is an annual motion? Occurs when the moon passes between the Earth A. Moonrise C. Sunset and sun with the moon casting a shadow on the B. Eastward rise of stars D. Vemal equinox Earth's surface. 3. What astronomical event was NOT known to men before the advent of 5. A model which deems all planets revolve around telescopes the sun. A. Solar eclipse C. Retrograde of Mars 5. Set of thirteen constellations seen along the Sun's B. Summer solstice D. Rotation of the Sun ecliptic path For nos. 4-5, choices are 7. The astronomical event in which the sun passes A. Autumnal equinox C. Summer solstice the highest or lowest point from the celestial equator. B. Eastward rise of stars D. Zodiac cycle 8. It is the wobbling of the Earth's celestial north pole. 4. What is a diurnal motion? 9. The apparent yearly motion of stars and other 5. Which does NOT involve the Sun's ecliptic path? celestial bodies across the sky due to Earth's For nos. 6 -10, choices are revolution. A. Copernican B. Keplerian C. Ptolemaic D. Tychonic 10. It occurs when the Earth is directly aligned 6. Which presents a system with elliptical orbit? between the sun and moon with the Earth casting a shadow on the moon. 7. Which presents a heliocentric model of the universe? 8. Which presents a geo-heliocentric model of the solar system? What I Can Do 9. Which attributes retrograde motion of the planets to epicycles? You have learned about the ancient Greek astronomy and the development of the 10. Which states that a planet moves fastest when it is nearest to the sun? model of the solar system. Answer the questions in two to three sentences. Il. Essay. Answer the questions in two to three sentences. 1.Why was Tycho Brahe's work essential in the development of Kepler's law If you are tasked to observe the sky at night, what is the evidence that would of planetary motion? support the heliocentric model? 2. Three things I learned in this module: Signature of parent/guardian over printed name Date Signed Quarter 2 Week!_Activity Sheet 1 4