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Stack #28695
Mr. Olson 6th Grade Science Chapter 4E
| Question | Answer |
|---|---|
| What is made from red seaweed that is used in medical laboratories to grow bacteria, molds, and tissues? | agar |
| What is a colorless, odorless, burnable gas produced from decomposing organic matter? | methane |
| Getting fresh water from salt water is called what? | desalination |
| Contaminating our enviroment with wastes is called what? | pollution |
| What fuels do offshore oil rigs drill for? | fossil fuels |
| A power plant built on the Rance River generates' power from what? | tides |
| Ordinary people are responsible for ocean pollution through the production of what? | sewage |
| Ocean Thermal Energy Conversion (OTEC) depends on differences in water ______. | temperature |
| The use of salters ducks is an attempt to capture the energy of what? | waves |
| What toxic pollutant accident happened in Minamata, Japan? | mercury |
| The raising of animals and sea weed in closed off portions of oceans is an example of what? | aquaculture |
| What is putting many species of sea life in danger of becoming extinct? | fishing |
| What acid from brown sea weed is used to make ice cream? | Alginic acid |
| An international ban on whale hunting was enacted in what year? | 1985 |
| What is a possible source (large, frozen) of fresh water in our oceans? | ice bergs |