Across
- 1. the act of constructing something
- 3. a statement that the values of two mathematical expressions are equal
- 4. a substance that can be consumed to produce energy
- 5. the act of conducting a controlled test or investigation
- 10. someone who creates plans to be used in making something
- 11. the branch of science and technology concerned with the design, building, and use of engines, machines, and structures
- 12. the movement or trajectory of a projectile or ball through the air
- 13. machinery and equipment developed from the application of scientific knowledge
Down
- 1. creative work
- 2. a simple machine giving a mechanical advantage on a fulcrum
- 3. the strength and vitality required for sustained physical or mental activity
- 6. the abstract science of number, quantity, and space
- 7. the quality of being exact
- 8. able to stay afloat
- 9. field of systematic inquiry