English
Learn the following words for a dictation on 09-03-17,
Thursday
1. Exploration
2. Scientific
3. Ornithopter
4. Shuttle
5. Technical
6. Cascaded
7. Flinching
8. Ploughed
9. Hurtled
10. Tumbled
Science
Write
the following content given below in your science note book. Submit the same on
Wednesday, 8/3/17. Study the underlined words for a dictation on Thursday,
9/3/17.
STRATOSPHERE
Up to 50
km (30 miles)
·
Most of the ozone in our atmosphere is found here.
·
The
stratosphere contains more of ozone and less of water vapour.
·
The
composition of the stratosphere is chemically similar to the lower
atmosphere: 99 percent nitrogen and oxygen and 1 percent trace
gases.
·
Molecules are not closely packed.
TROPOSPHERE
Up to 16
km (10 miles)
·
This is the layer closest to Earth, where all living things are
found.
·
It is also the layer where weather occurs and jets fly
·
Contains
molecules like nitrogen (78%), oxygen (21%) and other gases (1%).
·
The
molecules are very closely placed.
S.St
Write these
notes in your S.St. notebook and submit on Thursday 9/3/2017.
Ans.
|
Maps
|
Globes
|
|
•
A map is a two-dimensional representation of a
certain region of the world.
•
It is easily portable.
•
It gives detailed information on any part of the
world.
|
•
A globe is a three-dimensional representation of the
whole of the world.
•
It cannot be carried easily.
•
It gives only limited information.
|
Q.4. Write
notes on latitudes and longitudes.
Ans. Latitudes
•
Latitudes
are imaginary lines that run from east to west.
•
Equator
is the longest latitude running at 00. It divides the earth into two
equal halves, the Northern and the Southern Hemisphere.
•
There are 180 latitudes of unequal size.
Longitudes
•
Longitudes are the imaginary lines that run
from north to south.
•
Prime Meridian is the main longitude running
at 00.It divides the Earth into Eastern and the Western Hemisphere.
•
There
are 360 longitudes.
Both of
these latitudes and longitudes intersect each other and help in locating
places.
