Tuesday, June 11, 2013

June Holiday Supplementary Lessons

Dear all,

One more day to go and thank you for the good attendance so far. It's been 4 days of extra revision. Here is a recap of what we have done so far.

English

We have completed Supplementary Unit 9 worksheet and grammar and vocabulary practice 3. Key points that we have learnt is that for uncountable nouns, they are used in the singular form. For example, money is uncountable (we do not say one money, two money) and therefore, money is used in the singular form. The money stolen from by the robber is from the bank.

Check this list out for uncountable nouns. It will be good for you to remember.

As long as you see the word 'Every', it is used in the singular form.
Everyone,
Everything,
Everybody.

They are all used singularly.

Science

We have wrapped up on Adaptations, focusing on Adaptation for protection and reproduction. Adaptations refers to ways in which organisms survive, using their structural or behavioural adaptations.

Structural adaptations refer to the body structure or parts while behavioural adaptations refer to the actions of the organisms.

Adaptations for protections include behaviour (show of strength or dominance), body coverings (to protect oneself). Slow animals use their shells to compensate for their lack of speed like the snails or tortoise.

If you have the time, do watch the above documentaries on adaptations for protection and reproduction. Some of the videos are about 1 hour long. So do ask your parents for permission first. You can always watch them on your phone if you have 3G or wi-fi connection.


Plants adapt to their environment to survive. they use different body parts to protect themselves from unfriendly elements in the environment. 
A. Tendrils for support - tendrils of grapes are homologous to the stem regions of an inflorescence. they form adhesive disc that coil to firmly attach the plant. Other plants with tendrils are THE PASSION FRUIT PLANT, ampalaya and squash .
B. Enlarged roots for food storage - Many plants have large root storage capacities. Starch and other substances are stored for growth and food source. Examples are beets, carrots and sweet potatoes.
C. Thorns  and spines for protection - thorns protect roses form human and animal attack; Cacti have spines to protect them form harm.
D. fleshy stem for water storage - both aloe vera and cactus have big, fleshy stem. this enable tham to store enough water to endure the strong sunlight or dry season.
E. shiny  Leaves - shiny leaves to prevent damage of the inner part. 
F. Enlarged air spaces - Aquatic plants such as lotus, water lilly and kangkong have enlarged airspaces to float. it also allows oxygen to flow from the stem and leaves.
G. Flytrap leaves - some plants are insectivorous. an example is the venus-flytrap which catches a fly using its leaves. The plant secretes a fluid form the leaves and digests its prey. After the prey is digested, the trap opens again.
 H. Bulbs - they are cone-shaped stems surrounded by scale-like leaves used for storage. Onions amd daffodils are examples. The food storage of the onion is the edible part. 

See you all tomorrow,
Homework for the day:
Science topical worksheet on adaptations.

Thank you,
Sincerely,
Mr Nelson Ong

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