Science and technology

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Across
  1. 2. no longer used because something newer or better exists
  2. 6. to give your time or energy to something important
  3. 7. using resources in a way that does not harm the environment for the future
  4. 11. speaker a device that is connected to the internet and can answer questions or play music when you speak to it
  5. 13. to change something into a different form or use
  6. 14. help or advice that shows you what to do
  7. 15. an object that moves around a planet, often used for communication or watching Earth
  8. 16. a small flying machine without a pilot, controlled from the ground or by a computer
Down
  1. 1. something that takes the place of another thing
  2. 3. a new idea, method, or product
  3. 4. a type of energy that powers lights, machines, and devices
  4. 5. watching someone or something carefully, often for safety or security
  5. 8. something that you wear your wrist that can connect to your phone and show messages or health information
  6. 9. a person who creates something new for the first time
  7. 10. a small, useful tool or electronic device
  8. 12. the base or starting point of something important