PSLE Revision: Forces, Changes of State, Plant Systems

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Across
  1. 3. The flower is the .......... organ of a flowering plant.
  2. 5. The gas required for respiration.
  3. 6. The water ........ shows the continuous movement of water between the Earth and atmosphere.
  4. 7. Carbon dioxide, water, sunlight and ........ are required for a plant cell to make food.
  5. 11. This is formed when water boils.
  6. 13. .........'s Law shows us that a spring will extend by the same amount when the same additional mass is added to it.
  7. 16. The process in which water vapour is lost through the stomata of the leaves of a plant.
  8. 17. The process in which a cell produces the energy it requires for survival.
  9. 23. These anchor a plant firmly into the ground.
  10. 24. Glucose is changed into ........ so that it can be stored inside a plant cell.
  11. 25. The water-carrying tube in a plant.
  12. 26. When water boils, its temperature remains ......... at 100 degrees Celsius.
  13. 27. Clouds are made of water ..........
  14. 30. Water in a puddle gains heat and evaporates to form water .........
  15. 32. The potato, carrot and tapioca are examples of underground ........ organs.
  16. 34. To reduce the friction between two surfaces, a ......... can be added between them.
  17. 35. The emergence of flowers marks the transition of a young plant into an ......... plant.
  18. 36. Non-flowering plants reproduce by .........
  19. 37. A magnet and piece of steel move towards each other because of a magnetic .......... force.
Down
  1. 1. The food-carrying tube in a plant.
  2. 2. Like poles of two magnets ...........
  3. 4. The force between opposite charges is known as an .......... force.
  4. 8. When water vapour touches a cooler surface, it loses ....... and condenses into water droplets.
  5. 9. The process in which a plant cell makes food.
  6. 10. The process in which a seed starts to grow into a seedling.
  7. 12. The force exerted by a spring and rubber band is known as an elastic .......... force.
  8. 14. The process in which a pollen grain fuses with an ovule.
  9. 15. Friction leads to wear and tear as well as the generation of .......... between two surfaces.
  10. 18. The part of a flower that eventually grows into a fruit
  11. 19. The tiny openings on surface of leaves that allow for gases to enter and leave a leaf.
  12. 20. The force that resists the motion of two surfaces against each other is known as ............
  13. 21. When a liquid loses heat, it cools and eventually turns into a ........
  14. 22. The process in which water vapour (a gas) turns into water (a liquid).
  15. 24. Leaves have large surfaces into order to capture as much ........... as possible.
  16. 28. Germination requires water, oxygen and .........
  17. 29. Gravitational force is also known as .............
  18. 31. The transfer of pollen from the anther to the stigma of a flower.
  19. 33. These are found in a flower and eventually grow to form seeds.