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Transcript
Name_________________________________________________________________ Block ___________ 1 Video Exit Ticket: Unfolding Universe As you watch the video in class, look for the following topics and answer the questions. These will serve as the basis for a WORM and a later open response in your Chapter 1 Test. 1. In the video, making pizza is compared to what astronomical event? _____________________________________________________________ _____________________________________________________________ 2. Joe Kittinger was the first man to ever do what without a vehicle? _____________________________________________________________ _____________________________________________________________ 3. How is a Galaxy like a city? _____________________________________________________________ _____________________________________________________________ 4. A hungry dragon is compared to what feature in the universe that consumes (eats) all it meets? What happens there? _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 5. What galaxy will collide with our Milky Way Galaxy in the very far future? What will happen when they meet? _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ 2 Name _____________________ Date _____________________ Block ___ Notes Chapter 1, Exploring Space Section 1-1: Some space objects are visible to the human eye (page 9) Vocabulary: Orbit Solar System Galaxy Universe Constellation Arrangement of the Universe List the major elements of the universe in order from smaller to larger: _____________ _____________ _____________ _____________ What is the force that causes these objects to be grouped together in space? _____________ Earth: What is the size of the earth, relative to the moon? _____________ Solar System: The sun is just one of billions of _____________ in space. Astronomers have detected other _____________ orbiting some of these stars. Milky Way: Our solar system and the stars you can see with your bare eye are part of the _____________ _____________ _____________. The Milky Way has billions of stars in it. Most of the stars are so far away they appear to us as a _____________ _____________ of light. Universe: The Milky Way Galaxy is just one of _____________ _____________ of galaxies in the universe. These galaxies extend in all _____________. Constellations What do scientists use to help determine locations, or a map, of the sky? ____________ . Constellations are not real objects, but really just pictures or patterns of stars in the night sky that people use to mark a location. Name two examples of constellations in the sky that you are familiar with? ____________________________ _________________________ 3 Extra: What zodiac sign are you? Find the constellation for your sign and draw it in the box. One very important star that helps in finding direction and location is a star called _____________, also called the _____________ _____________. This star appears to stay in the same place in the night sky, and the other stars seem to move around it. Movements of Planets and other objects visible from Earth The farther away a moving object is the _____________ it appears to be moving. Stars are always moving, but because they are so far way you cannot see their movements. By contrast, the _____________ moves across the night sky background quickly. That is because the moon is _____________ to the earth, relative to the stars. Where does the word “planet” come from? __________________________________________________________________ Why did the Greeks give it this name? _______________________________________________________________________ QUESTIONS: 1. List in order of size the basic structures in which objects are grouped together in space. ________________________________________________________________________ 2. How does Earth’s rotation (day/night) and revolution (seasons) affect our view of the stars? ________________________________________________________________________ ________________________________________________________________________ 3. The planet Jupiter is farther than Mars from Earth. Which planet seems to move faster when viewed from Earth? Explain your answer. ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ 4 Notes Chapter 1, Exploring Space Section 1-2: Telescopes Allow Us to Study Space from Earth (page 15) Section 1-3: Spacecraft help us explore beyond Earth (page 22) Vocabulary: Electromagnetic Radiation Spectrum Wavelength Telescope Satellite Space Station Lander Probe Section and Video Summary Galileo started it all with his hand-held telescope. It was powerful enough to see some of Jupiter’s moons and show that the Earth isn’t the center of the universe. Space exploration has mushroomed in the past 50 years. Rockets that originally lofted weapons during World War II were converted to carry satellites, then astronauts. But more has been learned from unmanned probes and telescopes than from manned missions. The Hubble Space Telescope is a perfect case in point. With Hubble, we’ve been able to “see” billions of light years into space. And the view is amazing. It makes us wonder if we’re alone in the universe. Future missions to Mars may reveal whether life once existed on the Red Planet. If extreme-living bacteria on Earth are any indication, there may well be proof of ancient Martian microbes. The workhorses of NASA, the space shuttles, have launched probes and taken astronauts to service Hubble and kept our knowledge growing. Discussion Questions • When did Galileo first turn his telescope to the stars, and what did he discover? _______________________________________________________________________________ _______________________________________________________________________________ • What may have been the first rocket? _______________________________________________________________________________ _______________________________________________________________________________ • What German scientist developed the V-2 rocket? _______________________________________________________________________________ _______________________________________________________________________________ 5 • What was the first satellite launched into orbit, and when did it go up? Who was the first person to go to space? _______________________________________________________________________________ ___________________________________ • What rocket carried the astronauts to the Moon in 1969? _______________________________________________________________________________ ___________________________________ • Why is the Hubble Space Telescope able to “see” so much better than land-based telescopes? _______________________________________________________________________________ ___________________________________ What are some of Hubble’s discoveries? _______________________________________________________________________________ ___________________________________ • What are some features of Mars? Why might Mars be a good place to look for life? _______________________________________________________________________________ ___________________________________ • What type of life on Earth might be able to survive on Mars? _______________________________________________________________________________ ___________________________________ • What are some of the accomplishments of space shuttle missions? _______________________________________________________________________________ _______________________________________________________________________________ 6 Text Definition The form of energy that travels through space Other Terms Scattering Blue Sky Red/Orange Sunsets and Sunrises Greenhouse Effect Trapping of sun’s heat Properties Electromagnetic Wave Wavelength – tells the size, and thus the type and strength, of energy Radiation – how energy travels through space Your Own Words Examples Infrared Radiation Longer Wavelengths Lower Energy o Heat o Radio waves o TV waves Visible Light ROY G BIV Ultraviolet radiation Shorter wavelengths Higher Energy o UV Rays o X-Rays o Gamma Rays 7 WORM Topic Space Science 1.1 Last week we began discussing the major objects in the universe and relative sizes of these objects. Use the information that you remember from your reading and notes to answer the following. No books/notes are to be used. A. What are the basic structures in which objects are grouped together in space, in order from smallest to largest? Write the terms in order on the lines. B. 1. WRITE each term in a different box. 2. Connect one box with another box by drawing a line in between the two. 3. On the line, explain the relationship between two words. How are the two words connected in meaning? Use complete sentences. 4. Make a total of four connections. A. _____________________________________ Smallest _____________________________________ _____________________________________ _____________________________________ Largest B. 8