END OF FIRST TERM SCIENCE EXAMINATION (C.O.Y 2)

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END OF FIRST TERM SCIENCE EXAMINATION (C.O.Y 2)

  • December 2, 2020
  • Posted by: Charles Yeboah
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Welcome to your END OF FIRST TERM SCIENCE EXAMINATION (C.O.Y 2)

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1. Steel is an alloy of iron and
2. An atom that has lost one or more electron(s) is called________.
3. In electronic circuits, LEDs are used to indicate the absence or presence of
4. Which of the following statements about the scientific method is/are correct? It provides I. Logical procedure for arriving at knowledge II. Knowledge that can never be changed III. Knowledge that is ever changing
5. Which of the following substances is a compound?
6. Which of the following sources is/are renewable? I. Solar II. Crude oil III. Wind
7. Chlorine gas is an example of ________.
8. Which of the following life processes is not performed by all living things?
9. Which of the following statements about a force are correct? It I. Is measured in Newtons II. Is measured in Newtons-metre III. Can start a motion IV. Can change the direction of a moving body
10. Kerosine is able to reach the other end of a wick by
11. A balanced diet is one which is made up of_________.
12. Which of the following is equal to 1Kg?
13. A piece of stone sinks in water because________.
14. Which of the following vegetable crops is cultivated for its leaves?
15. There are two major branches of science. They are:
16. The main source of water in the soil is?
17. A person suffering from symptoms of diarrhoea and vomiting may be suffering from______.
18. The sub-atomic particle with zero charge in the nucleus of an atom is called________.
19. The type of image formed in a plane mirror is always________.
20. Non-reactive metals are preferred in making ornaments and jewellery because they________.
21. One benefit on technology to industrialization is_________.
22. External respiration in living organisms is also known as_________.
23. One way of ensuring that organisms are not endangered is to_________.
24. The part of the flower that contains nectar is called_______.
25. The presence of chlorophyll in green plants is a necessary condition for photosynthesis because it_______.
26. Solid non-metals normally break into pieces when hammered because they are
27. Young rabbits are called________.
28. Which of the following food items produces amino acids as the end-product of digestion?
29. Which of the following heavenly bodies is a star?
30. Brass is an alloy of________.
31. An example of a fundamental quantity is__________.
SECTION B (All Questions Carry Equal Marks In This Section)(40 marks)
A. i. What is density of a body? ii. A body of mass 50Kg has a density of 2Kg/m3. Calculate the volume of the body.
B. Write the systematic name for each of the following compounds. i. CaO ii. CaCl2 iii. MgO iv. H2O
C. i. Differentiate between rusting and corrosion with regards to metal. ii. Use chemical symbols to represent the following elements: calcium, Sulphur, argon, neon, silicon, oxygen, fluorine, magnesium, potassium and phosphorus.
D. i. Describe how the ion of an atom can be formed. ii. What is meant by the term air pollution?
E. i. For each of the activities listed below, state whether the activity involves physical change or chemical change. i. sugar is dissolved in water ii. burning of candle iii. fermentation of cassava dough. iv. grinding of chalk v. rusting of iron

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