1. SNC1P Unit 4 - Space

2. Introductory Quiz and Preview of the Unit

3. 1. Where have we traveled in space? 2. Where have robots and space probes been? 3. Where have our telescopes taken us?

4. 1. Where have we been in space? We have been to the Moon and the lower orbit of Earth.

5. 2. Where have robots been? Robots have set down on the Moon, Venus and Mars. Robots have penetrated Jupiter’s clouds, flown by Saturn, Uranus, Neptune, Mercury, Pluto, and the Sun Mars Pathfinder rover Voyager 1

7. 3. Where have our telescopes taken us? to the stars to the edge of the universe to the beginning of time

8. 4. Does the sun go around the Earth or does the Earth go around the sun? The Earth goes around the sun – this is called a Heliocentric (sun centred) model.

9. 5. How long does it take for the Earth- Sun system to orbit each other? a) one dayb) one monthc) one year c) It takes one year for the Earth to orbit the sun.

10. 6. Which travels faster? Light or Sound? Light travels faster than sound. 3.0 x 10 8 m/s compared to 332 m/s

11. 7. What is a light year? How would you calculate it? A light-year is the distance light travels in a vacuum in one year. 3.0x10 8 m/s x 365days x 24 hours x 60minutes x 60seconds = 9.86x10 15 km

12. 8. List the planets in order starting closest to the sun.

13. 8. The planets in order from the sun. SUN – Mercury-Venus-Earth-Mars-Jupiter-Saturn-Uranus-Neptune

14. 9. Could we live on any of the other planets? NO gases in atmosphere temperature liquid water

15. 10. Which of the following dates would have the Sun above the horizon for the most hours here in Lindsay? a)March 21 b)June 22 c)September 22 d)December 23

16. 11. In which direction is the Sun at noon in the winter? a)East b)Southeast c)South d)Southwest e)West

17. 13. Approximately how many hours of daylight do you get in the summer here in Ontario? a)Less than 12 hours b)Exactly 12 hours c)12 to 16 hours d)Over 16 hours

18. 14. In which season can you see the Big Dipper? a)Winter b)Spring c)Summer d)Fall e)All year

19. 15. How much time is there between full Moons? a) A day b)A month c) Three months d) A year

20. Can you name any of these astronauts?

21. Back Row – left to right Col. Chris Hadfield (Mechanical Engineer, Test Pilot) Dr. Dave Williams (Physician) Dr. Steve MacLean (Physicist) Front Row – left to right Dr. Robert Thirsk (Mechanical Engineer, Physician) Julie Payette (Electrical and Computer Engineer) Mr. Bjarni Tryggvason (Airline Transport rated Pilot)