Science Test (Year 5) Theta
  • 1. Paints, solvents, glues, rubber, wood, paper, cardboard are all _____________(a). They can catch ________(b) and result in ______(c), infectious ______ _______(d) and risky ___________ __________(e). Use this passage to answer question 2-7.
  • 2. (a) is
A) inflammable
B) nonflammable
C) flammable
  • 3. (b) is
  • 4. Use the following words to pick out the answer for (c), (d) and (e). chemical reactions, burns, skin rashes (c) is
  • 5. (d) is
  • 6. (e)
  • 7. Type the correct option that fills the sentence for questions 7-10. e.g. Question: A/An/The rabbits are friendly. You type: The. Solvents are flammable. We can/should/could be careful with them.
  • 8. Air/water/land pollution is caused when factories release fumes into the atmosphere.
  • 9. Whereas/Therefore/Because noisy environments are harmful, we should strive NOT to live in those areas.
  • 10. People cut trees. This is called deforestation/afforestation.
  • 11. Waste can be a _______ or agent of pollution.
  • 12. We have __________ refuse which can be decomposed.
  • 13. An example of ________________ refuse is synthetic resins.
  • 14. _________ is formed from liquid waste.
  • 15. Sewage can contain ________. (Tick all correct options.)
A) Worms
B) Protozoa
C) Viruses
D) Bacteria
E) Nematodes
  • 16. Waste disposal is a method of environmental ____________.
  • 17. Sewage disposal methods are two: pit latrine and _________.
  • 18. A ________ is a covered underground container for the temporary collection of sewage.
  • 19. A ___________ is an underground tank in which sewage is collected and decomposed by bacteria before being drained.
  • 20. In refuse disposal three methods can be used. They are: incineration, land filling and ____________.
  • 21. With what you have learnt, write a short essay on the causes, effects and control and pollution.
  • 22. According to the New Oxford American Dictionary __________ means conversion of waste into useful materials.
A) mudslide
B) landfilling
C) recycling
  • 23. Tick the advantages of recycling waste.
A) It increases toxic substances in the atmosphere.
B) It decreases food to eat.
C) It provides jobs
D) It promotes personal hygiene.
  • 24. Write one danger of poor waste disposal.
A) erosion
B) disability
C) pollution
D) illness
  • 25. The _______________ is the gaseous part that envelops the earth.
  • 26. The rock crust of the earth is known as the ____________.
  • 27. The hydrosphere refers to bodies of __________ which include oceans, seas, rivers, etc.
  • 28. Tick three ways we can control land pollution.
A) refuse should be burnt in incinerators
B) dumping anything anywhere
C) recycling
D) deforestation
E) application of fertilizers should be with caution
  • 29. Tick one way we can control air pollution.
A) people should not be educated
B) no gas flaring
C) there should be no worry
  • 30. Tick two ways we can control water pollution.
A) do not use chemicals to catch fish
B) recycling
C) oil spillage should not be regulated
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