Solve the clues, find the words!

The clues:

1. A _____is a high powered light that can be used to send information 
2. When you use a litmus paper in an _____ mixture it turns red.
3. The _______ is the source of energy in electrical circuits. 
4. How fast someone is going is called their _______
5. The basic unit of all things is the ______
6. Around a magnet, you can find a magnetic ________
7. There are currently 118 _______ in the periodic table.
8. ________ can be measured in Celsius or Fahrenheit 
9. The product made in a chemical reaction is called the _______