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34 Cards in this Set
- Front
- Back
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How to find longitude given your time at a known longitude like London? |
each degree of longitude is 70 miles, so find the difference between the time and you will know
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Approximately how many miles is one degree of latitude? |
70 miles |
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Why are topographic maps of our area, latitude approximately 42 degrees, not a perfect square? |
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How to find the gradient on a topographic map? |
Rise / Run = Gradient |
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How to determine distance to nearby stars (parallax)? |
Parallax |
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What stellar properties are used to determine stellar size? |
1. Luminosity 2. Binary stars 3. Star Color and Temperature |
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What is the H-R diagram? |
A diagram used to organize stars |
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What is the evolution of a small star? |
1. Stellar Nebula 2. Average Star 3. Red Giant 4. Planetary Nebula 5. White Dwarf |
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What is the evolution of a big star? |
1. Stellar Nebula 2. Massive Star 3. Red Supergiant 4. Supernova 5. Neutron Star or Black Hole |
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What is apparent motion of stars; nightly, and throughout the year. (specifically - direction and degrees of motion hourly and monthly); what is the real cause of each motion? |
1. Stars rise from the east and set in the west 2. Stars move 15 degrees per hour 3. Stars move 1 degree per month |
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Celestial Sphere: description, coordinate system, used to ID locations |
1. Celestial Sphere is a imaginary sphere used to determine the exact position of the star 2. The coordinates used to determine exact position is Right Ascension and Declination 3. The coordinates used to find exact horizon spot is Azimuth and Altitude |
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How to use ID location of North Celestial Pole, zenith, celestial equator, meridian for someone in Acton? |
1. NCP angle will be the same as the latitude 2. Zenith is overhead point 3. An imaginary boundary that runs from SCP to NCP 4. Celestial equator is always 90 degrees of NCP, and aligns with Earth's equator |
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What is ozone? What layer is it a part of? What does ozone do for life on Earth? |
1. Ozone is a gas that blocks off UV radiation 2. It is in the stratosphere 3. It helps protect organisms from UV radiation |
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How is the lowest atmosphere heated? |
The surface of the Earth heats the air. Air is unstable so it spreads the heat throughout the troposphere. |
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Which time of the year are temperatures the highest in Acton? Why? |
August because that is when the Earth is leaning towards the sun |
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What is the greenhouse effect and how are humans influencing it? |
Co2 helps Earth keep warm, humans produce ti much of it. Making Earth warmer |
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What is the reason behind seasons? |
Earth's tilt of the Axis |
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What is a psychrometer and how does it work? |
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How do clouds form? |
Water Vapor rises and cools, dust particles keep the air floating around in clouds |
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What happens to air expansion / contraction and air temperature as air is forced up over a mountain? |
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How does descending air create a temperature inversion? |
hb |
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What is the air motion and weather associated with a low and high pressure? |
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What is the air mass and weather associated with a warm front and a cold front? |
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Which way do weather patterns move across the United States? What causes this? |
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What is the origin, development, and conclusion of a mid-latitude cyclone? |
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What are the major air masses (and their properties) that affect weather in our area? |
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Given a mid-latitude cyclone be able to predict the weather at locations when the cyclone passes? |
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How does salinity change with latitude? |
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What two variables control the density of water? What combination would make the densest water? |
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How and where do surface and deep currents interact? What properties of the seawater involved are most important? How may climate disrupt this pattern? |
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What are the 5 characteristics that define a mineral? |
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The 2 most abundant elements in earth's crust and how this relates to the most common mineral? |
oxygen and silicon, silicates |
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From the chemical formula of a mineral determine the mineral group to which it belongs and describe how it formed? |
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Get to know quartz, feldspar, calcite, halite hematite. |
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