Across
- 2. a complex mixture of hydrocarbons that occur on Earth in liquid, gaseous, or solid form
- 5. a renewable source of energy that generates power by using a dam or diversion structure to alter the natural flow of a river or other body of water.
- 7. focuses on the interaction of electrical and mechanical systems as a whole and how the two systems interact with each other.
Down
- 1. the use of nuclear reactions to produce electricity.
- 3. a hydrocarbon mixture consisting primarily of saturated light paraffins such as methane and ethane
- 4. building material and burning component
- 6. a sedimentary deposit composed predominantly of carbon that is readily combustible.