GENERAL SCIENCE KNOWLEDGE

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Across
  1. 1. – the upper layer of the earth where plants grow.
  2. 4. – a liquid needed by living things for survival.
  3. 7. – the framework of bones in the human body.
  4. 8. – the study of living things, matter, energy, and the environment.
  5. 10. – hard structures in the mouth used for chewing food.
  6. 13. – the mixture of gases around the earth.
  7. 15. – a force that opposes movement between two surfaces.
  8. 16. – the sense organ used for smelling and breathing.
  9. 18. – an object that attracts iron and some other metals.
Down
  1. 2. – the parts of a plant that make food.
  2. 3. – the reproductive parts of flowering plants.
  3. 5. – the ability to do work.
  4. 6. – the organ in the mouth used for tasting.
  5. 7. – the part of a plant that supports leaves, flowers, and fruits.
  6. 8. – the parts of a plant that can grow into new plants.
  7. 9. – the organ that controls body activities and thinking.
  8. 11. – the sense organs used for hearing.
  9. 12. – the outer covering of the human body.
  10. 14. – the part of a plant that absorbs water and mineral salts from the soil.
  11. 17. – the sense organs used for seeing.