Grade 9 Science Exam Review 2014 | Page 14

Space Review 1. a)___________________ is the study of what is beyond the Earth. b) A(n) ______________ is a lump of rock or metal that may produce a bright streak of light in the sky. c) A huge collection of gas, dust and stars is called ________________ d) Large natural objects that revolve around planets are known as ___________ 2. a) The longest day of the year occurs in the month of _____________ and the shortest day of the year occurs in the month of _______________ b) When the day is made up of equal day hours and night hours it is called a(n) ________________ 3. a) The Earth’s motion that causes the Earth to have approximately a 24 hour day is its _______________ b) The Earth’s motion that causes the Earth to complete 365.25 days per year is its ________________. 4. The asteroid belt in our solar system is between _____________ and _______________. 5. Solar eclipse Earth Moon SUN Does this happen at a full Moon or new moon? 6. a) High tides occur approximately every ____ hours. b) Draw a picture of how the moon and Earth align during high tide. Page 14 of 18