The Formation Of The Universe

Question 1

13-15 billion years ago the universe was pure,pent up _____.

Answer 1

Energy

Question 2

The explosion of this incredibly,small,intensely energetic speck of space _____. As this speck expanded and cooled, matter ____.

Answer 2

Occurred

Developed

Question 3

Basic matter e.g. Gravitons were created from the energy of the explosion and expanded rapidly outwards ___-____ Billion years ago.

Answer 3

13-15

Question 4

500 000 years ago-The universe had cooled down to allow basic matter to form into atoms of _____(76%) and ______ (24%). The universe continued to expand rapidly and cool down. These formed into stars and these stars grouped together into _____.

Answer 4

Hydrogen
Helium
Galaxies

Question 5

Today individual galaxies are linked together into clusters of galaxies e.g. Our milky way is in the ____ cluster. Clusters of galaxies are still expanding outwards into space as a result of the ____ _____. Tell tale micro-wave radiation is found in all space and is thought to be the remnant of the energy of the Big Bang.

Answer 5

Virgo

Big Bang

Question 6

What are galaxies classified by?

Answer 6

According to their shape into spirals,ellipticals and irregulars.

Question 7

Light years are the enormous distances between Stars and galaxies in ____.

Answer 7

Space

Question 8

1 light year is the distance that light travels in 1 year moving at a speed of 300 000km a second. Approximately ____ million Million Kms.

Answer 8

9.5

Question 9

How far is the sun from us?

Answer 9

8.3 minutes away from us

Question 10

How far is Proxima Centauri from Earth?

Answer 10

4 light years I

Question 11

Our galaxy the Milky Way galaxy is 100 000 light years across. Neighboring galaxies include :

Answer 11

The andromeda galaxy

Large and Small Magellenic Cloud Galaxies

Question 12

How long would we take to take one revolution around the galaxy?

Answer 12

200 million years

Question 13

Each star is a giant ball of burning ____.

Answer 13

Gas

Question 14

In the centre of suns,atoms of hydrogen are fusing to form ____ and during this process energy is released. We feel this energy as ____.

Answer 14

Helium

Heat

Question 15

Suns vary considerably in ____,___,_____.

Answer 15

Size
Colour
Temperature

Question 16

What is the largest star in our galaxy?

Answer 16

Red Giant

Betelgeuse

Question 17

Our star is a medium sized,middle aged (4,6 billion years old) star. In many million of years time it will become a red giant when it begins to burn out the hydrogen on its ____ _____. Eventually it will shrink and become a ___ ____ star.

Answer 17

Outer edge

White Dwarf

Question 18

Bigger stars than our sun might contact further to become an_____ star and eventually, perhaps, a black hole.

Answer 18

Neutron

Question 19

How did our solar system form?

Answer 19

From a rotating disc of dust and gas. Gravity pulled together the gas and dust.

Question 20

Where is the greatest matter of material and what did it form?

Answer 20

In middle and formed the sun

Question 21

What did smaller concentrations form?

Answer 21

Planets

Question 22

The smaller,solid,planets are closest to the sun and the larger, gassy ones are ______ away. All the planets rotate on their _____ and revolve around the sun.

Answer 22

Further most

Axes

Question 23

Name the planets in order:

Answer 23

Mercury 
Venus 
Earth 
Mars 
Jupiter 
Saturn 
Uranus 
Neptune