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Saturday, 22 October 2011

INVESTIGATING THE EARTH AND THE UNIVERSE

APPRECIATING THE PERFECT PLACEMENT OF THE PLANET EARTH IN THE SOLAR SYSTEM








  • If the Earth is too near the Sun,the temperature will rise.Water on Earth will also dry up.Living things will die because of the heat.
  • If the Earth is too far from the Sun, the remperature will drop.Water will freeze.Plants cannot make their own food and the surrouding will be very dark.
  • The Earth has oxygen and water which are very important to living things.

ACTIVITY 1: The Perfect Placement of Earth
Fill in blanks with the correct answers.

a)The Earth is the only planet with______________.

b)It has ________and _____________which anable living things to live on it.

c)Living things cannot live on ____________because it is too cold and dark.

d)Green plants need_____________to make their own food.

e)Humans and animals will die if there is no____________.


Study the picture and answer the questions.



Earth


Sun














a) What will happen if the Earth is nearer to the Sun ?

________________________________________

b)What will happen if the Earth is farther away from the Sun?

____________________________________________

c)Why is Earth suitable for living things to live?

____________________________________


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