Term
| Describe the Milky Way Galaxy |
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Definition
| A large spiral galaxy that is a rotating system of stars |
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Term
| What do spectral lines toward the red and blue ends of the spectrum mean about objects? |
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Definition
Red means moving away
Blue means moving toward |
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Term
| Our solar system belongs to which galaxy? |
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Definition
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Term
| How was the universe formed? |
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Definition
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Term
| Life of a medium mass star? |
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Definition
| Nebula, protostar, main sequence star, red giant, planetary nebula, white dwarf |
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Term
| Most important factor of a star? |
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Definition
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Term
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Definition
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Term
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Definition
| Less massive nuclei combine into more massive nuclei |
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Term
| How does a star produce energy? |
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Definition
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Term
| Why is using a parallax method to measure nearby stars? |
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Definition
| Distant stars have parallax angles too small to be measured |
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Term
| What is the Nebular Theory? |
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Definition
| Formation of the solar system came from a huge cloud of dust and gases |
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Term
| What is an Astronomical Unit (A.U)? |
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Definition
| Average distance from the Earth to the Sun |
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Term
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Definition
| The revolution of a planet is related to the planet's distnace to the sun |
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Term
| Explain Kepler's first law |
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Definition
| A planet travels in an ellipse path |
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Term
| Describe terrestrial planets |
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Definition
| Small, rockey crust, slow rotation |
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Term
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Definition
| Thick atmosphere, low density |
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Term
| Describe differences between low mass and a greater mass star |
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Definition
Less mass: Less quick and less violent
More Mass: Quicker life cycle and more violent |
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Term
| What is the heaviest element found in the core of a star? |
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Definition
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Term
| What does the Greenhouse effect cause on Venus? |
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Definition
| Extremly High Surface Temps |
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Term
| What is special about Saturn's density? |
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Definition
| Extremley low, allowing it to float on water |
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Term
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Definition
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Term
| How much of the Earth is covered by land and water? |
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Definition
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Term
Name features on the moon.
Which are dark?
Which are light? |
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Definition
Maria, Highlands, craters, rilles.
Maria is dark
Highlands are light |
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Term
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Definition
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Term
| What causes the tides on earth? |
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Definition
| Pull of gravity from the sun and the moon |
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Term
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Definition
| When the earth passes between the moon and the sun |
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Term
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Definition
| When the moon passes between the sun and the earth |
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Term
| Who made a telescope to support the work that copernicus did? |
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Definition
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Term
| How did foucault prove the earth rotated? |
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Definition
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Term
What astronomer was Polish?
What did he believe? |
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Definition
Copernicus
The sun is the center of the solar system and the plannets move around them |
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Term
| What astronomer created the laws of gravitation? |
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Definition
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Term
| What astronomer believed that the Earth was teh center of the solar system? |
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Definition
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Term
| What causes the seasons on Earth? |
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Definition
| The revolution of Earth around the sun and the tilt of the Earth's axis |
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Term
| Compare the number of daylight hours for the summer and winter solstice in the northern hemisphere |
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Definition
Greatest number of daylight hours during the summer solstice.
The least number of daylight hours during the winter solstice |
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Term
| During the equonixes, where are the rays of the sun most directed? |
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Definition
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Term
| Explain layers of the Atmosphere |
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Definition
Thermosphere- Absorbs solar radiation
Mesosphere- nothing really
Stratosphere- ozone is concentrated
Troposhere- where weather occurs |
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Term
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Definition
| Amount of water vapor in the air |
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Term
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Definition
| the temerature at which air is saturated |
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Term
| Name 3 mechanisms of heat transfer |
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Definition
Convection
Conduction
Radiation |
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Term
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Definition
| Water vapor condenses in tiny drops that are suspended in air. When millions of the drops collect together a could forms |
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Term
| Indentify the following clouds |
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Definition
Nimbostratus- "Rainy Cloud"
Fog- Near the ground
Cirrus- High, White and thin
Stratus- Sheets or layers that cover the sky |
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Term
| What type of weath is expected with: |
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Definition
Low Pressure: stormy or cold
High Pressure: fair weather |
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Term
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Definition
| A boundary separating two masses of air of different densities |
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Term
| What does the Saffir-Simpsom scale measure? |
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Definition
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Term
| What does Fujita intensity scale measure? |
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Definition
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Term
| What does air do in the center of a hurricane? |
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Definition
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Term
| What is the definition of climate? |
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Definition
| weather conditions regarding a place or region over an extrended period of time |
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Term
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Definition
| Cold air moves in, cold air pushes the warm up, heaving precipitation at the front |
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Term
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Definition
| Cold front moves toward a warm front, forcing air aloft |
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