Across
- 3. a sign that shows something is true
- 5. the work of creating and designing large structures (such as bridges or pipes) by engineers (people who apply science and math to make engines or machines)
- 6. the science of numbers, shapes, and quantities and the relations between them
- 8. information about or the study of the natural world based on facts learned through observations and experiments
- 9. a guess of what will happen next
- 10. an original device, machine, or method created by someone (the inventor)
- 11. an idea or theory that is not yet proven but that may lead to further study
Down
- 1. something you notice by watching and listening
- 2. an idea that makes someone want to do or create something
- 4. a scientific test performed and carefully observed in order to discover something
- 7. the use of science in industry or engineering to help solve problems or invent useful things