Apakah sains english

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ninanadianazri

bab 1 form 1

Science

 How does a ship float?
 Why does some birds fly south for the winter?
 Can life exist on other planets?
 Why does an astronaut float in outer space?
 How does the butterfly help plant when it feeds on
flowers?
 What is the role of sc in health care?
 How is an X-ray film produced?
3

4
•People are searching for the answer
for above question.
•The answer for the question are
complex and require careful thought
and study.
•Many facts are needed to answer
the question correctly.

 Science is the systematic study of things
around us.
 Science is the systematic study of nature and
how it affects us and the environment.
 Science is the knowledge of thing that
happen in nature – “natural phenomena”,
not made or cause by humans.
6

7
The growth of plant. Where
do plants get their food?
The formation of a rainbow.
How is a rainbow formed.
The growth of a baby to an adult. How
does growth take place?
The melting of ice. Why
does ice melt?

 Biology
 Physics
 Chemistry
 Geology
 Astronomy
 Meteorology
10

Field of Study
The study of living things
Careers
Doctors, teachers, biologist
11

Field of study
The study of power and energy
Careers
The physicist, engineer
12

Field of Study
The study of the chemical and its composition
Careers
Pharmacist, Chemist
13

Field of Study
The study of rocks and minerals
Careers
geologist
14

Field of Study
The study of planets and stars
Careers
Astronomer
15

Field of Study
The study of weather and climate
Careers
Meteorologist
16

17
 Is science important only to scientists?
 Can ordinary people benefit from it?
 Why do we need to understand science?
 Who is scientists?

18
Scientists are investigators.
They are people who want to
discover things for themselves.
They want to know “how” and
“why” of things.
Spend a great deal of time trying
to think of ways by which they can
discover answers to their problems.
They want to test ideas through research
and experiment to see if they are true.

19
1) AREA
Agriculture
CONTRIBUTION
• Production of high quality of crops
• Invention of machines for ploughing, planting and harvesting.

20
2)AREA
Medicine
CONTRIBUTION
•Invention of new vaccines to cure diseases.
•Discovery of new medical techniques, such as organ transplant
and cell cloning.

21
3) AREA
Industry
CONTRIBUTION
•Production of food
•Production of man-made materials, such as plastics

22
4) AREA
Transportation
CONTRIBUTION
•Invention of jets, aeroplanes and electrical trains.
•Construction of modern infrastructure, such as subway and
expressway

23
5) AREA
Information and communication technology (ICT)
CONTRIBUTION
•Invention of the internet and email
•Application of wireless technology, such as mobile phones and
remote controls

24
5) AREA
Education
SUMBANGAN
•Makes the learning process more interesting
•Applying technology to make teaching and learning more
effective.

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PESTS OF SUGARCANE - BORERS BORERS 1. Early shoot borer, Chilo infuscatellus, Crambidae, Lepidoptera Symptom of damage: Deadheart in 1-3 month old crop, which can be easily pulled out, rotten portion of the straw coloured dead-heart emits an offensive odour. A number of bore holes at the base of the shoot just above the ground level. Nature of damage: Caterpillar bores into the central shoot and feeds on the internal tissue. This cause interference in the translocation of plant sap and damage the sugar storing tissues. Egg: Flat-scale like eggs are laid in 3-5 rows on the lower surface of leaves in masses of 4-100. The masses are slightly overlapping like tiles. Larva: Larva is dirty white with five dark violet longitudinal stripes and dark brown head. Pupa: Pupation takes place within the tunnel. Caterpillar before pupating makes a large exit hole in the stem and blocks the opening with silken discs. Adult: Pale greyish brown moth with black dots near the costal margin of the forewings and with white hindwings. 2. Internode borer, Chilo sacchariphagus indicus, Crambidae, Lepidoptera Symptom of damage: Internodes constricted and shortened, with a number of boreholes and fresh excreta in the nodal region. Affected tissues reddened. Nature of damage: Caterpillars attack sugarcane plants after 3 months of planting. They bore into the canes near the nodes; entry holes are plugged with excreta. Entry is generally confined to the first five internodes. Egg: Scale-like white eggs are laid by female moths in batches of 9-11, near the midribs, on leaf sheaths or on stem. Larva: White larva with four violet longitudinal stripes and light brown head. Pupa: Pupation takes place in semi-dried leaf sheath. Adult: Pale brown with white hind wings. 3. Top borer, Scirpophaga excerptalis, Pyralidae, Lepidoptera Symptom of damage: Deadheart in grownup canes, which cannot be easily pulled; deadheart reddish brown in colour; parallel row of shot holes in the emerging leaves and red tunnels in the midribs of leaves; bunchy tip due to the growth of side shoots. Nature of damage: Caterpillars are mainly found in the apical portion of the canes, boring through the growing point and down the upper joints until it reaches the sappy portion of the stem, there it feeds on the tissues and destroys the cane. They also bore into the unfolded leaves preferably into the midrib, mining its way to the base. Egg: Eggs are laid on the lower surface of top leaves in clusters particularly near midribs. The clusters are covered with buff coloured hairs. Larva :Smooth, white or cream coloured with a red coloured mid-dorsal line and yellow head. Pupa: Pupation takes place within the larval tunnel in a chamber with an exit hole constructed by the caterpillar. Adult: White coloured moth (with a buff coloured anal tuft in the abdominal tip of female).

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Apakah sains english

1. 1

2. 2 We noticed that science is part of everyday life. -The objects we see. -The food we eat. -The clothes we wear. -The growth we experience. -The transport we take. -The computer and energy we use.

3.  How does a ship float?  Why does some birds fly south for the winter?  Can life exist on other planets?  Why does an astronaut float in outer space?  How does the butterfly help plant when it feeds on flowers?  What is the role of sc in health care?  How is an X-ray film produced? 3

4. 4 •People are searching for the answer for above question. •The answer for the question are complex and require careful thought and study. •Many facts are needed to answer the question correctly.

5. 5

6.  Science is the systematic study of things around us.  Science is the systematic study of nature and how it affects us and the environment.  Science is the knowledge of thing that happen in nature – “natural phenomena”, not made or cause by humans. 6

7. 7 The growth of plant. Where do plants get their food? The formation of a rainbow. How is a rainbow formed. The growth of a baby to an adult. How does growth take place? The melting of ice. Why does ice melt?

8. 8

9. 9

10.  Biology  Physics  Chemistry  Geology  Astronomy  Meteorology 10

11. Field of Study The study of living things Careers Doctors, teachers, biologist 11

12. Field of study The study of power and energy Careers The physicist, engineer 12

13. Field of Study The study of the chemical and its composition Careers Pharmacist, Chemist 13

14. Field of Study The study of rocks and minerals Careers geologist 14

15. Field of Study The study of planets and stars Careers Astronomer 15

16. Field of Study The study of weather and climate Careers Meteorologist 16

17. 17  Is science important only to scientists?  Can ordinary people benefit from it?  Why do we need to understand science?  Who is scientists?

18. 18 Scientists are investigators. They are people who want to discover things for themselves. They want to know “how” and “why” of things. Spend a great deal of time trying to think of ways by which they can discover answers to their problems. They want to test ideas through research and experiment to see if they are true.

19. 19 1) AREA Agriculture CONTRIBUTION • Production of high quality of crops • Invention of machines for ploughing, planting and harvesting.

20. 20 2)AREA Medicine CONTRIBUTION •Invention of new vaccines to cure diseases. •Discovery of new medical techniques, such as organ transplant and cell cloning.

21. 21 3) AREA Industry CONTRIBUTION •Production of food •Production of man-made materials, such as plastics

22. 22 4) AREA Transportation CONTRIBUTION •Invention of jets, aeroplanes and electrical trains. •Construction of modern infrastructure, such as subway and expressway

23. 23 5) AREA Information and communication technology (ICT) CONTRIBUTION •Invention of the internet and email •Application of wireless technology, such as mobile phones and remote controls

24. 24 5) AREA Education SUMBANGAN •Makes the learning process more interesting •Applying technology to make teaching and learning more effective.

25. 25

26. 26

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