Across
- 1. an enigma
- 2. the last name of the author of “On the Origin of Species”
- 4. the combination of astronomy, physics, chemistry, and mathematics
- 8. what your foot leaves behind on the beach
Down
- 1. a type of insect that is high in protein and can be used to solve many world problems
- 3. a place where scientists work
- 5. a type of reptile that has a shell
- 6. Inquiry into the world around us
- 7. an important part of our daily lives that causes the universe to work the way it does