Science!

123456789101112131415161718
Across
  1. 3. the planet in our solar system closest to the sun
  2. 4. what most equipment is made from
  3. 5. the genetic code
  4. 7. the name of the first female scientist to be awarded a Nobel prize
  5. 8. an example of an arthropod
  6. 11. the gaseous state of water
  7. 12. the name of the scientist who devised the formula e=mc2
  8. 14. test tubes are held in this item
  9. 15. how close a measurement is to the true
  10. 17. these type of shoes must be worn when experimenting
Down
  1. 1. the first element on the periodic table
  2. 2. a gas our body needs
  3. 6. the kingdom humans belong to in classification
  4. 7. the branch of science that deals with the behaviour of matter
  5. 9. all experiments need to be performed this way
  6. 10. the term used to describe the hard shell of an organism
  7. 13. these structures send electrical messages around the body
  8. 16. the basic unit of life
  9. 18. the name of the scientist that proposed natural selection