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Physical Science 5 Q
| Question | Answer |
|---|---|
| What kind of water makes up the majority of earth’s water supply? | Salt water |
| What is the largest source of freshwater on the planet? | Icebergs and Glaciers |
| What is the largest source of liquid freshwater on the planet? | Groundwater |
| In the hydrologic cycle, name the ways water can enter the atmosphere. | Different ways water can enter the atmosphere by precipitation, ground water, river flow, evaporation, and transpiration. |
| When a raindrop hits the ground, name three ways it can eventually end up in river. | 1. The raindrop gets sucked into the ground. 2. The raindrop gets evaporated. 3. The raindrop drops into a river/ocean. |
| What process in the hydrologic cycle puts soil moisture into the atmosphere? | The transpiration in a ground flow gets caught into the river flow. |
| In which body of water would the residence time be shorter: a quickly moving river or a lake that has no river outlets? | A lake that has no river outlets. |
| What must a lake have in order for it to be a freshwater lake? | Rivers and/or streams |
| Why is the salinity of the ocean evidence that the earth is not billions of years old? | The water would be way saltier than it is now. |
| If you tasted melted sea ice, would it taste like freshwater or saltwater? | It would taste like salt water. |
| Where do icebergs come from? | Pieces of ice fall off of larger glaciers and over time they form in the water that process is called calving. |
| Where do glaciers come from? | Glaciers form because of a technique called firn. |
| What is the term for the process by which a portion of a glacier breaks off and falls into the water? | Calving. |
| The captain of a ship sees an iceberg and steers clear of it. Why is the captain still worried about a collision? | The captain is afraid of the iceberg because 90% of it is underwater so the bottom of the boat could scrape up against it. |
| Suppose you studied tow areas of land close to one another. In the first, a lot of trees. In the second, no trees at all. The two areas seem identical. Which one has the deeper water table? | The land that have lots of trees. |
| If no energy is added to air, what happens to the temperature when the air expands? | The temperature will decrease. |
| Will fog be thicker in a smoky area or an area free of smoke? | The fog will be thicker in areas with smoke. |
| What kind of cooling is responsible for most cloud formation? | Adiabatic cooling |
| A bright student notes that with few modifications, a refrigerator can become a “hot box,” keeping things warm instead of cold. Explain. | The refrigerator will pump the cool air out into a warm room that warm air will be replaced with cool air while the refrigerator pumps warm air into itself making it into a “hot box.” |
| What kind of water pollution is the hardest to track back to its source? | Groundwater. |
Created by:
Shortie1211
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