Unit 7 Science vocabulary

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Across
  1. 1. A source of energy that can easily be replenished and there is a large amount of.
  2. 5. A source of energy that cannot be easily replaced/supplied and that takes a long time to create or replenished.
  3. 6. A source of supply or an object that you can use in a way.
  4. 8. A resource that can be used for energy.
  5. 12. the contamination of water bodies with harmful substances or microorganisms that alter their chemical, physical, or biological properties
  6. 13. the contamination of soil by harmful substances, including chemicals, waste, and industrial byproducts
  7. 14. the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen
Down
  1. 2. when families either lack access to modern energy services or allocate a significant portion of their income to energy bills
  2. 3. the practice of planning, scheduling, and allocating people, money, and technology to a project or program
  3. 4. The state or quality of being efficient
  4. 7. the presence in or introduction into the air of a substance which has harmful or poisonous effects
  5. 9. Prevention of wasteful use of a resource
  6. 10. The loose, weathered material on Earth’s surface in which plants can grow.
  7. 11. lack of proper nutrition, caused by not having enough to eat, not eating enough of the right things, or being unable to use the food that one does eat