CHAPTERS-LIVING ORGANISMS AND THEIR SURROUNDINGS, ELECTRICITY AND CIRCUITS, GARBAGE IN AND OUT

DATE OF SUBMISSION-27-2-17

1. Activity-to cut and paste with different coloured papers the adaptations of living organisms to different habitats

2. Activity- to cut and paste the diagrams relating to characteristics of living things

3. Correct the definitions of certain terms given below by changing only one word.

(i) Compost: Substances converted into manure for use in industries.

(ii) Landfill: Garbage buried under water in an area.

(iii) Recycling: Reuse of unused material in the same or another form.

4. Read the poem written below and then answer the questions from the information gathered from the book or elsewhere.

Blue and Green Two bins, you mean? Yes, they are there to throw your waste. But not in a hurry Nor in a haste. Select from waste, sieve if seems muddy Separate all items and when they are ready Place in a blue bin, or one that is green For a voyage to the landfill, or for composting.

(i) Name the two kinds of waste that need to be separated from each other in two different waste bins.

(ii) Name two items of waste each that need to be sent to a (a) landfill, (b) for composting.

5. Paheli wanted to glow a torch bulb using a cell. She could not get connecting wires, instead, she got two strips of aluminium foil. Will she succeed? Explain, how?

6. Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram