Across
- 1. A covered area in front of the entrance to a house.
- 3. A group of animals or plants that are similar and can produce babies together.
- 5. A machine that moves liquids or gases.
- 7. This means all the different kinds of living things (plants, animals, etc.) in a place.
- 8. A person who writes instructions for computers to follow.
Down
- 2. A very tiny animal that lives in water.
- 3. A small part of something that is taken to be studied.
- 4. A person who designs and builds things like machines, bridges, or buildings.
- 6. A crack or opening in something, like a rock.