Science Practice Paper 5


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Science Practice Paper 5

  1. 1. your name Science Practice Paper 5
  2. 2. your name 1. Matter has mass and occupies space. Mass = amount of matter Occupies space = has volume (amount of space) Not all matter can be seen e.g. air (1)
  3. 3. your name 2. Rolling dough or plasticine changes its shape but not its volume or mass/weight (2)
  4. 4. your name 3. Mass = amount of matter Objects that have the same mass may not have the same volume or shape. eg. 1 kg of cotton wool is definitely much BIGGER than 1 kg of iron because cotton wool is lighter and needs more to weigh the same as the iron. (3)
  5. 5. your name 4. The marble took up space in the water so it has volume. (4)
  6. 6. your name 5. All the containers can store 500 cm³ of oxygen because oxygen is a gas and does not have a definite volume. It can fill smaller or bigger containers. (4)
  7. 7. your name 6. The balloon becomes lighter when air is removed. This shows that air has mass. (1)
  8. 8. your name 7. The systems in our body work together. (1)
  9. 9. your name 8. The digestive juices break the food down into simple substances in the mouth, stomach and small intestine. These simple substances are absorbed by passing through the thin walls of the small intestine into blood vessels. Click here to view Digestive System Animation 1 Click here to view Digestive system Animation 2 (4)
  10. 10. your name 9. The lungs (A) is part of the respiratory system (1)
  11. 11. your name 10. Flower→ Fruit → Seed → Seedling (1)
  12. 12. your name 11. The leaves will continue to lose water through the stomata even when the flowers are removed. Only Graph B shows the amount of water decreases/drops after a few days. (2)
  13. 13. your name 12. The seed leaf will provide food for the growing seedling. (3)
  14. 14. your name 13. Light is a form of energy. (2)
  15. 15. your name 14. The luminous paint on the safety vests reflects light. (1)
  16. 16. your name 15. The drinking glass is transparent so it will not cast a shadow. (4)
  17. 17. your name 16. Bigger shadow – object nearer to light source OR object further from screen Click here to learn how the size of shadow (1)
  18. 18. your name 17. Shadows are formed because light travels in a straight line and the light is blocked by an opaque or translucent object. (3)
  19. 19. your name 18. The light is shining on the square face of the object. (2)
  20. 20. your name 19. Only the plastic book cover is transparent. Transparent objects allows light to pass through them. (4)
  21. 21. your name 20. The object must NOT allow light to pass through it. It must also be between the light source and wall. (3)
  22. 22. your name 21. The number of shadows shows the number of light sources. (2)
  23. 23. your name 22. Organism A : “special light organs ..which produce light ..make them glow in the dark” Organism B : “attracted to light” Organism C : “…glow flourescent red” Only A and C can be seen in the dark. (3)
  24. 24. your name 23. The uses of magnets – for helping digestion in cows, for storing computer data on disks and for Maglev trains. (2)
  25. 25. your name 24. When like poles are facing each other, magnets will move away or repel. (3)
  26. 26. your name 25. (4) N N S N S S S S N N
  27. 27. your name 26. Tanks contain air. (1)
  28. 28. your name 27. Fungi is not green. Plants do not feed on dead plants- they can make their own food. Fungi cannot make their own food. Both are living things that respond to changes. (4)
  29. 29. your name 28. Moles use their sense of touch as they are blind. Clue – ‘bump their heads against the sides’ – this will let them feel the walls. (2)
  30. 30. your name 29. To determine if an organism is an insect, count the body parts. Insects have six legs and three- segmented (head, thorax and abdomen) bodies. (4)
  31. 31. your name 30. The fly has four stage life cycle – egg, larva, pupa and adult. The mosquito also has four stages. (4)
  32. 32. your name 31a) b) Air takes up space and the balloon is made of an elastic material that can expand. Solid Liquid Gas Plastic Bag Air Balloon Coloured Pencil
  33. 33. your name 32. a) The water level will rise. b) Water from the basin enters the cylinder to occupy the space of the air that has been sucked up. 33. a) There are air spaces in Solid X. b) Sponge/Cotton/Styrofoam c) Solids have a definite shape / volume.
  34. 34. your name 34. a) True. (Water + X = 50 ml) b) True. ( Y = 100 ml (150 – 50), X less than 50 ml) c) Not possible to tell. (Z=10 ml (160-150) but X ?) d) False (X less than 50 ml, Y= 100 ml, Z = 10ml)
  35. 35. your name 35. a) A. (leaves) b) B. (roots) 36. a) i) Use the same type of soil. ii) Use the same type of bean. b) Yes. Seeds do not need sunlight to germinate.
  36. 36. your name 37. a) Stomach → small intestine b) mouth c) Water 38. a) Respiratory system b) Skeletal System c) Circulatory system d) Digestive system
  37. 37. your name 39. a) ☼ b) The shadow becomes longer c) Between 10 am and 2 pm ☼
  38. 38. your name 40. a) Light shadow → clear water pond A Dark shadow → muddy water pond B b) Clear water allows more light to pass through than muddy water. c) Very little sunlight can reach plants in pond B and plants need sunlight to survive. 41a). b) eye
  39. 39. your name 42a) b) The moon reflects light from the Sun. Gives out light on its own Does not give out light on its own. Lightning diamond battery mirror
  40. 40. your name 43. a) R and S b) Q c) Metal 44. • microscope • Bacteria/Yeast • Helps us to break down food/ Keep us healthy/ Use to make food 45. a) Living things respond to changes b) Living things need water. c) Living things reproduce.