click below
click below
Normal Size Small Size show me how
Chapter 19
Vocabulary
| Term | Definition |
|---|---|
| WATER CYCLE | THE PROCESS OF EVAPORATION, CONDENSATION, AND PRECIPITATION. |
| ACID PRECIPITATION | AIR POLLUTANTS FROM THE BURNING OF FOSSIL FUELS REACT WITH WATER IN THE ATMOSPHERE TO FORM STRONG ACIDS. THIS TYPE OF PRECIPITATION HAS A pH BELOW 5.6. |
| EROSION | THE MOVEMENT OF SOIL FROM ONE PLACE TO ANOTHER. |
| FOSSIL FUEL | FUELS FORMED IN EARTH'S CRUST OVER HUNDREDS OF MILLIONS OF YEARS. |
| GEOTHERMAL ENERGY | THE HEAT ENERGY CONTAINED IN EARTH'S CRUST. |
| GREENHOUSE EFFECT | THE HEAT-TRAPPING FEATURE OF THE ATMOSPHERE. |
| HAZARDOUS WASTE | WATER MATERIALS THAT ARE HARMFUL TO HUMAN HEALTH OR POISONOUS TO LIVING ORGANISMS. |
| HYDROELECTRIC POWER | ELECTRICITY THAT IS PRODUCED WHEN THE ENERGY OF FALLING WATER IS USED TO TURN THE TURBINES OF AN ELECTRIC GENERATOR. |
| NATURAL RESOURCE | THE PARTS OF THE ENVIRONMENT THAT ARE USEFUL OR NECESSARY FOR THE SURVIVAL OF LIVING ORGANISMS. |
| NONRENEWABLE RESOURCE | NATURAL RESOURCES THAT ARE USED UP MORE QUICKLY THAN THEY CAN BE REPLACED BY NATURAL PROCESSES. |
| NUCLEAR ENERGY | RELEASED WHEN BILLIONS OF ATOMIC NUCLEI FROM URANIUM, A RADIOACTIVE ELEMENT, ARE SPLIT APART INTO A NUCLEAR FISSION REACTION. |
| OZONE DEPLETION | THE THINNING OF THE OZONE LAYER. |
| PETROLEUM | FORMED MOSTLY FROM THE REMAINS OF MICROSCOPIC MARINE ORGANISMS BURIED IN EARTH'S CRUST. THIS IS A NONRENEWABLE RESOURCE BECAUSE IT TAKES HUNDREDS OF MILLIONS OF YEARS FOR IT TO FORM. |
| POLLUTANT | A SUBSTANCE THAT CONTAMINATES THE ENVIRONMENT. |
| RECYCLING | A FORM OF REUSE THAT REQUIRES CHANGING OR REPROCESSING AN ITEM OR NATURAL RESOURCE. |
| RENEWABLE RESOURCE | ANY NATURAL RESOURCE THAT IS RECYCLED OR REPLACED CONSTANTLY BY NATURE. |