Created by Educational Technology Network. www.edtechnetwork.com 2009

Astronomy #1 #2 10 20 30 40 50

A tiny volume of space started expanding Question 1 - 10 A tiny volume of space started expanding

Answer 1 – 10 The big bang Theory

Question 1 - 20 Objects in the sky including the sun, moon, planets and stars are called?

Answer 1 – 20 Celestial bodies

Question 1 - 30 A collection of stars dust and gas is

Answer 1 – 30 A galaxy

Question 1 - 40 The two types of star clusters

Answer 1 – 40 Open and globular

Question 1 - 50 Intermediate mass stars usually last this long

Answer 1 – 50 10 billion years

Question 2 - 10 The three types of galaxies

Answer 2 – 10 Irregular Spiral ellipitcal

Question 2 - 20 The process that creates heat and light on stars

Answer 2 – 20 Nuclear fusion

Question 2 - 30 Which planets do not have moons?

Answer 2 – 30 Mercury and Venus

Question 2 - 40 Which planet would be 9.5 AU from the sun?

Answer 2 – 40 Saturn

Question 2 - 50 What are the three types of stars and one of their lifecycles?

Answer 2 – 50 Low mass – exist most of life as dim, cool red dwarfs, burn slow 100 billion years – hot small white dwarfs Intermediate mass – burn fast, 10 billion years, expand to red giant shrink sm. White dwarf, then black dwarf High mass – short time – super giant, collapse in – super nova – neutron star or black hole

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