Year 7 Science Key Words

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Across
  1. 5. This is used to separate mixtures of soluble dyes.
  2. 8. The liquid something dissolves in to form a solution.
  3. 10. A substance that dissolves in a liquid to form a solution.
  4. 11. This variable is the thing we change during an experiment.
  5. 13. To calculate density we divide mass by this.
  6. 14. This describes the tubes that carry water and nutrients together.
  7. 16. This is improved by repeating an experiment and calculating a mean.
  8. 17. Pores on the lower side of a leaf where water can be lost.
  9. 19. The process of a plant making its own food.
  10. 21. The tissue in a plant that transports the nutrients made during photosynthesis.
Down
  1. 1. This tells us how much force a planet will exert on a mass.
  2. 2. If something dissolves it is described as this.
  3. 3. This is the quantity of matter in an object.
  4. 4. The force acting on an object due to gravity.
  5. 6. This value is calculated by dividing the distance traveled by dye by the distance travelled by a solvent.
  6. 7. Different types of particles in the same physical space but not chemically joined.
  7. 9. This variable is the part of an experiment that we measure.
  8. 12. These are the variables that we must keep the same during an experiment so that it is a fair test.
  9. 15. The symbol we use for this is the letter v.
  10. 18. The tissue in a plant that transports water throughout the plant.
  11. 20. This is calculated by dividing the distance by the time.