Science Olympics Brain Ouiz

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Across
  1. 1. when there are no more individuals of that species alive anywhere in the world - the species has died out.
  2. 4. an influence (as a push or pull) that tends to produce a change in the speed or direction of motion of something
  3. 5. a form of matter in which the molecules are tightly packed together, it does not flow or take the shape of its container
  4. 6. the bending of light as it goes through an object
  5. 7. a plant-eating animal
  6. 12. an neutral atomic particle
  7. 13. a form of matter that takes the shape of its container and flows easily
  8. 15. an animal adaptation in which the organism blends in with its surroundings
  9. 16. threatened with extinction
  10. 17. a substance that cannot be broken down into simpler substances by chemical means - composed of atoms
  11. 18. any organism that is able to live both on land and in water; a class of cold-blooded vertebrate animals
  12. 20. the process by which plants make food
  13. 22. ability to do work; can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear
  14. 24. any of a group of cold-blooded air-breathing vertebrates that usually lay eggs and have skin covered with scales or bony plates
  15. 25. all things are made up of this
Down
  1. 2. a plant or animal that that eats another living thing
  2. 3. the complete path of an electric current
  3. 6. light bouncing off of an object
  4. 8. a major type of ecological community e.g. desert, forest
  5. 9. organism that eats both plants and other animals
  6. 10. a living thing (as a green plant) that makes its own food
  7. 11. an elementary particle that has a negative charge of electricity and travels around the nucleus of an atom
  8. 14. a substance changing from a gaseous state into a liquid state
  9. 19. a system made up of an ecological community of living things interacting with their environment especially under natural conditions
  10. 21. ____________ rock is a rock that forms from cooling magma (lava)
  11. 23. the smallest particle of an element that has the properties of the element and can exist either alone or in combination