Across
- 2. A scientist who does experiments with different liquids and chemicals.
- 4. A scientist who studies living things like plants and animals.
- 5. A person who creates a new machine or product for the first time.
- 6. A person who treats sick people and saves lives in a hospital.
Down
- 1. A scientist who studies energy, light, and how objects move in space.
- 3. A person who designs and builds machines, roads, or bridges.