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Science Unit E


What is weather? The daily conditions of the atmosphere at a specific time and place in terms of temperature, atmospheric pressure, wind, and moisture.
What are some measurements scientists use to describe weather? wind speed and direction, pressure, humidity, temperature, and precipitation, including rain and snow
What is climate? the weather conditions prevailing in an area in general or over a long period
How is climate similar and different than weather? SIMILAR: they both share information about the atmosphere DIFFERENT: weather is a specific time and place and climate is a general (prevailing) description of the atmosphere in a particular place (not a specific time)
What factors have a large impact on an area’s climate? -Energy from sun -Ocean currents -Large bodies of water -Landforms -Wind -altitude
If the altitude of a place is higher what happens to the climate of that place? It will be cooler. Higher altitude = colder temperatures
Where is most of the water on Earth contained? Oceans
About what percentage of Earth is covered by water? 75%
What takes longer to heat up and cool down, land or water? water
What is an ocean current? a continuous, directed movement of seawater Currents are responsible for circulating water throughout the earth's oceans
How do ocean currents affect climate? Ocean currents moderate climate. Cold weather-warm water-warms adjacent areas Hot weather-cold water-cools adjacent areas *Ocean currents move water - causes warmer/cooler climates than expected in some places
The Gulf Stream is a warm water ocean current that affects the east coast of the United States. What does this type of current do to the climate of those places? Climate will be warmer than other places along that latitude that are not affected by the current
What are the layers of the atmosphere from lowest to highest elevation? Lowest: Troposphere, Stratosphere, Mesosphere, Thermosphere
What are the different layers of the atmosphere based on? temperature
What layer of the atmosphere do people live in? troposphere
What parts of the atmosphere remain the same at every altitude? percent of nitrogen, oxygen and argon gas
What parts of the atmosphere change as altitude changes? percent of water vapor, temperature and pressure
True or false: Air gets thinner as altitude increases because there is a lower percentage of oxygen. False. The % of oxygen remains the same throughout the atmosphere.
What are the main components of Earth’s Atmosphere? percent of gasses, water vapor, temperature and pressure
What is an anemometer? instrument used to measure wind speed
What does it mean if an anemometer is spinning faster? Wind is blowing fast
What is a wind vane? Instrument used to measure wind direction
What is a thermometer? An instrument used to measure temperature
What is the prevailing wind? The most common wind direction
What direction is the prevailing wind that affects New Jersey? Wind is coming from the South West
How do you calculate mean? Add up your numbers, Divide by the number of numbers in the set of data
How do you calculate median? Write the numbers in numerical order Find the middle number *if you have an even number of numbers, average the two middle numbers
How do you calculate mode? Write the numbers in numerical order Count how many times each number appears Number most repeated is the mode (may have no mode, one mode or many)
How do you calculate range? Subtract the largest number minus the smallest
Created by: 22repack