UNIVERSE W1

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TASK 1.1a1

Watch the video Journey through the Universe\\Hubble Deep Field Photography. [4.16] and the PPT.

Take notes for the following: planet, moon, star, nebula, galaxy, constellation, black hole

TASK 1.1a2

1. Draw a table of five columns and one row with the following headings:

 Star        Nebula       Galaxy    Universe      Black Hole                 

Copy the information from below (in dot form) into the appropriate column.

A.     A  collection of dust and gases that forms stars or results from dying stars.

B.     A sphere of matter with a density and temperature great enough to cause a nuclear reaction.

C.      Elliptical ones are shaped like a football.  They are old and blurred looking.

D.     A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

E.      Our sun is a medium-sized and middle-aged one.

F.     Irregular ones have neither just a football shape nor a spiral shape.

G.     An interstellar cloud of dust, hydrogen, helium and other ionised gases.

H.     Spiral ones look like spirals (fingers curving around).  Our Milky Way is one. 

I.        Our sun is NOT in the centre of ours, but located near the outer edge.  

J.       Stars are born here.

K.     Our sun is many thousands of times closer to Earth than any other one.

L.   Gravity is the force that controls the motion of everything in it.

Task 1.1a3

• complete Parallax Activity Tx p244

• convert between parsecs and light-years from Tx p245

• design and conduct experiment Practical Investigation 7.1 Tx p250 

TASK 1.1b

Below are images of seven different objects in space: Moon, Sun, Hubble Galaxies, Hubble telescope, Saturn, Whirlpool Galaxy, Pleiades Cluster of stars. Organise these by size from smallest to largest. When you are satisfied that you have the best order, record the names of the objects in your book.

EXTENSION: Scientific Notation (work through)

TASK 1.1c

Use the images of the seven different objects in space. Try organising these by their age ( from youngest to oldest). When you are satisfied that you have the best order, record the names of the objects in your book.

TASK 2.2

Use the images of the seven different objects in space. Try organising these by their distance away from earth ( from closest to furthest away). When you are satisfied that you have the best order, record the names of the objects in your book.