Tuesday, 7 March 2017

Homework for 4 B on 07/03/2017.

English
Underline the adverbs in the following sentences and state their kinds.
1. The old man walked away.
2. John recently went fishing with his father.
3. We hope that scientist soon find a cure for cancer.
Science
Write the following content given below in your science note book. Also draw diagrams for the same as shown in class. Submit the same on Wednesday, 8/3/17.

Rain water collects on the earth in the form of surface water and underground water.

Surface Water
      Water present on the surface of the earth in the form of oceans, rivers, lakes, ponds and streams is called surface water. The water in rivers and lakes comes from rain and melting of snow on mountains. Rivers flow into the sea.

b) Underground Water
      Some of the rainwater seeps through the soil on to the rocks below.
This is underground water. Sometimes due to high pressure, this water sprouts out in the form of springs. It can be obtained by digging wells, sinking tube wells, etc.

S.St

Write these notes in your S.St. notebook and submit on Thursday 9/3/2017.

Q.1 WHAT IS TRANSPORTATION?

Ans. Transportation is the movement of people or things from one place to     another.

Q.2 WHAT ARE THE DIFFERENT MEANS OF TRANSPORTATION?

Ans. Means of transportation can be classified into four groups: -
• Roadways
• Railways
• Waterways
• Airways

Road Transport
       Road transport does not require a big investment.
      Construction cost of roads is much lower than that of railway lines;
      It also provides door-to-door service, thus the cost of loading and unloading is much lower
Road transport is classified into three :-
Man driven - Examples: Carrying goods on head or back, hand cart, bicycle, rickshaw etc.
Animal Driven - Examples: Animals like camel, dogs, elephant, horse and mules, etc.
Motor Driven - Examples: Trucks, oil tankers, car, bus.