| A | B |
|---|
| Made, produced or performed by human | Artificial |
| Tiny, one-celled organisms that are too small to see without a microscope. They are not animals or plants. | Bacteria |
| A chemical that is used to kill microbes in water. | Chlorine |
| The "addition" of anything found in the environment that makes it unclean or unsafe. | Contamination |
| Anything found in the environment that makes it unclean or unsafe. | Contaminant |
| The natural world in which we live. | Environment |
| The process of changing from a liquid into a gas | Evaporation |
| Anything through which a mixture can be passed to remove one or more components. | Filter |
| A huge slow-moving body of ice. | Glacier |
| The Hindi word for turtle, pronounced ka-chew-ah | Kachua |
| Living things that are to small to see without a microscope. Bacteria are one type of microbe | Microbes |
| A wind that brings summer rain to South Asia | Monsoon |
| Existing in or produced by nature. | Natural |
| A type of cheese common in South Asian cuisine. Pronounced pan-ear | Paneer |
| A tiny piece or part | Particle |
| Harmful substances in the soil, water or atmosphere. | Pollution |
| A piece of cloth that is draped over the body and worn a a garment by Hundu women. Pronounced sah-ree | Sari |
| A type of light not visible to the human eye. It can be harmful to living organisms. | Ultraviolet light |
| The process of removing contaminants from water. | Water purification |
| Water that has evaporated and is in gas form. | Water Vapor |
