Science Focus 2 TEST Chapter 8 - Pearson Australia Media ...
Science Focus 2 TEST Chapter 8 - Pearson Australia Media ...
Science Focus 2 TEST Chapter 8 - Pearson Australia Media ...
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<strong>Science</strong> <strong>Focus</strong> 2 <strong>TEST</strong><strong>Chapter</strong> 8: Astronomy8 Define three different types of galaxy.Also sketch each type.69 Complete these sentences about parts ofthe Milky Way galaxy.a An ________ cluster contains afew hundred stars within thespiral arm of the galaxy.b A ________ cluster may be seenwith the naked eye as a fuzzystar, but actually contains up to amillion stars.10 Identify the types of waves detected bya an optical telescope.b a radio telescope.2211 Recalla how high above the Earth’ssurface a satellite in geostationaryorbit is.b what it means when a satellite isin an asynchronous orbit.c which kind of orbit observationsatellites are usually placed in.d which kind of orbitcommunication satellites areusually placed in.4© <strong>Pearson</strong> Education <strong>Australia</strong> (a division of <strong>Pearson</strong> <strong>Australia</strong> Group Pty Ltd) 2005.This page from the <strong>Science</strong> <strong>Focus</strong> 2 Teacher’s Resource may be photocopied for classroom use.
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