Homework for 3 B on 12/03/2017.

Homework  for 3 B on 12/03/2017.

English

1.   Do exercise A on page number 123 of your student book and submit on 13-03-17.

Science

Learn the following for review on 14/3/2017.

Explain xeric adaptation taking camel as an example?

The animals that live in very dry areas belong to xeric habitat.

·        Camel have:

-     Long eyelashes to protect from sandstorms.

-     Stretchy nose to keep out the sand

-     Leathery mouth to eat spiky plants

-     Hump for storing food.

-     Long legs to keep it off the hot sand

-     Padded feet to protect from heat of the ground

Explain cactus adaptation?

Cactus is a desert plant having the following adaptation to survive in the desert vegetation.

·        Wide spread root system

·        Stems that can store water

·        Spines instead of leaves

·        Small size to minimize evaporation

S.St

Continue the given notes in your S.St. notebook and submit on Tuesday 14/3/2017.

Waterways

Travel by water is the oldest and cheapest means of transport. Some of them are as follows:

·        Ships

·        Boats

·        Submarines

·        Cargo ships

The place where a ship stops for passengers to board and goods to be loaded and unloaded is called a harbour or a port.

Submarines are warships that move on the surface of water and under the water.

Airways

·        travel by air is the fastest means of travel;

·        an airplane can fly around the world in a very short span of time;

Communication

Q. What is communication?

Ans. Communication is the process of conveying messages to others.

Q. What are the elements of communication?

Ans. The elements of communication are:

·        Sender -  The person who sends the message.

·        Receiver - The person who receives the message.

·        Message - Subject matter of communication. It may contain facts, ideas, feelings or thoughts.

·        Medium – The way of sending or receiving messages.

·        Feedback -  Receiver’s response or reply to the sender.