Hydrogen Science Lab!

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Across
  1. 2. A material that lets heat and electricity pass through easily
  2. 4. How closely packed the particles in an object or liquid are
  3. 6. What do you ask during the first step of the scientific method
  4. 8. A material that stops or blocks heat and electricity from passing through
  5. 9. The unique patterns on our fingertips
  6. 10. The state of matter that has the least amount of density
Down
  1. 1. Tiny living organisms you can't see with your eyes, such as bacteria, viruses, and fungi.
  2. 3. The second step of the scientific method, another word for prediction
  3. 5. An invisible force that pull things torwards the center of the Earth
  4. 7. The state of matter that has the highest density