Across
- 4. the work of building or making something, especially buildings, bridges
- 5. the degree to which something is hot
- 8. a wall built across a river that stops the river's flow and collects the water
- 9. to need the support of someone or something
- 10. to allow a substance to flow out from somewhere
- 13. to provide the power to keep a machine working
- 14. energy that an object or system has because it is moving
Down
- 1. forms of energy can be produced as quickly as they are used
- 2. the way in which things are organized or arranged
- 3. connected with the natural heat of rock deep in the ground
- 6. to be able to get to or get inside a place
- 7. to produce energy in a particular form
- 11. successful or achieving the results that you want
- 12. a form of energy that provides power to motors and devices that create light or heat