INVENTION

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Across
  1. 4. Every experiment needs to be performed in a controlled...........
  2. 6. I need to update the software on my ........ to improve performance.
  3. 7. With the advent of smart devices and high-speed........, staying connected has never been easier.
  4. 8. The workshop was filled with high-tech ........ for the engineers to use.
Down
  1. 1. A dentist uses special __________, like tools and chairs, for treating teeth.
  2. 2. The computer......... was upgraded to improve performance.
  3. 3. When you download a new app for your phone, you are installing new __________.
  4. 5. The scientist conducted an .......... to test the new theory.