Monday, December 12, 2011

Lets Play Game !

We Got To Protect Our Earth Together!!
Lets go!
http://primarygames.com/science/ozone/start.htm

Work Sheet-Please Try Out

Earth And Its Neighbours (7.1)
A. Write the number of the correct answer in the brackets.
1. The ________ of the Earth creates day and night. ()

(1)
(2)
(3)
(4)

 
revolution
rotation
roundness
orbiting
2. At any time, ________ of the Earth's surface is having daylight. ()

(1)
(2)
(3)
(4)

 
one-quarter
one-half
two-third
three-quarter
3. Although the Sun is many times larger than the Earth, it appears to be small because ________. ()

(1)
(2)
(3)
(4)

 
it is very far away
it is very bright
there are many planets
it is blocked by clouds
4. The planet furthest away from the Sun is ________. ()

(1)
(2)
(3)
(4)

 
Mercury
Neptune
Pluto
Uranus
5. The Earth is the ________ planet away from the Sun. ()

(1)
(2)
(3)
(4)
 
second
third
fifth
sixth
B. Write "T" for true and "F" for false.
1. Like all planets, the Sun has its own orbit.
 
()
2. The Sun provides heat and light to the Earth.
 
()
3. Clouds in the sky fall as rain to Earth.
 
()
4. Mars has only one moon.
 
()
5. The Moon is slightly larger than the Earth.   ()
C. Fill in the blanks with the most suitable word.
1. Objects which move around the Earth in space, such as the Moon, are known as _______________.
 
2. When we are on Earth, we see the Sun rises in the _______________ every morning.
 
3. The Sun, the nine planets and the moons form the _______________   _______________.
 
4. The planet with a ring around it is _______________.
 
5. The Earth revolves around the Sun once every _______________ days.