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38 Cards in this Set
- Front
- Back
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Which planet is hottest
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Venus
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What is the Sun?
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A Star
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The length of an Earth day is determined by the time required for approximately one
Earth rotation Earth revolution Sun rotation Sun revolution |
Earth rotation
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Which two planets have polar ice caps
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Mars, Earth
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Which planet has the most moons (satellites)
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Jupiter
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What is the principle gas that stars are made of?
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Hydrogen
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Which color Stars are hottest?
Coolest? |
Blue. Red.
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What is a Star?
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A large sphere of hot, glowing gas
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Which 4 planets have rings
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Jupe, Saturn, Uranus, Neptine
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Summer days in New York State are likely to be hotter than winter days because in summer
Earth is closer to the Sun the number of sunspots increases Earth’s northern axis is tilted toward the Sun the Sun gives off more energy |
Earth's northern axis is tilted toward the Sun
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Predictable changes in the direction of swing of a Foucault pendulum provide evidence that
Earth is tilted on its axis Earth rotates on its axis Earth’s orbit is slightly elliptical Earth’s magnetic poles reverse over time |
Earth rotates on its axis
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The apparent daily path of the Sun changes with the seasons because
Earth's axis is tilted. Earth's distance from the Sun changes. the Sun revolves the Sun rotates |
Earth's axis is tilted
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If a Star explodes when it dies, what is that called?
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A supernova
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What is the name of the process by which stars make energy?
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Nuclear Fusion.
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What five colors are Stars?
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Red, Orange, Yellow,, White, Blue
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Which 2 planets have atmospheres principally of Carbon Dioxide
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Mars, Venus
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Name 3 planets that either have or had volcanoes
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Earth, Mars, Venus
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NAme three objects, other than planets, that orbit the Sun
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Comets, Meteors, Asteroids
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This question may require the use of the Earth Science Reference Tables.
To an observer in Long Island, the North Star, Polaris, is always located above the northern horizon at an altitude of approximately 23½° 40° 66½° 90° |
40 degrees
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If a very high mass star implodes when it dies, and contracts down to a singularity, what is that called?
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A Blackhole
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Generally,iIn a stars fusion process, what is being fused, and what is the outcome
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Hydrogen is being fused, yielding Helium, and energy.
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Why is pluto no longer called a planet?
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PArt of the Kuiper belt
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What is the basic difference between ultraviolet, visible, and infrared radiation?
1. half-life 2. temperature 3. wavelength 4. wave velocity |
Wavelength
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Name two different spacecraft that have visited mars
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Viking, Pathfinder,, Polar Explorer,, Odyssey
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On the HR Diagram, hotter is to the left, and brighter is towrads the top. When a star first leaves the Main Sequence, which way does iot move on the daigram?
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Up and to the right
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On the HR Diagram, hotter is to the left, and brighter is towrads the top. When a star first leaves the Main Sequence, which way does iot move on the daigram?
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Up and to the right
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What is the main Sequence?
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afsdh
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What are the three main types of galaxy?
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asd
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What type of galaxy in the milky way?
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asd
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What is the dying core of a star called?
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asd
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Which statement best describes how galaxies generally
move? A) Galaxies do not move. B) Galaxies move randomly. C) Galaxies move away from one another. D) Galaxies move toward one another. |
d
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Background radiation detected in space is believed to be
evidence that A) the Universe is contracting B) galaxies are evenly spaced throughout the Universe C) the Universe began with a primeval explosion D) all matter in the Universe is stationary |
c
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A student in New York State observed that the altitude of
the Sun at noon is decreasing each day. During which month could the student have made these observations? A) May B) January C) October D) March |
c
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Compared to the distances between the planets of our solar
system, the distances between stars are usually A) much greater B) much less C) about the same |
a
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The Earth has fewer impact craters than Mercury because of the
A) slower weathering and erosion rates on the Earth B) more rapid subduction of crustal plates on Mercury C) faster rotational speed of Mercury D) destruction of meteorites in the Earth's upper atmosphere |
d
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If the average distance from a satellite to the Earth is
decreased, the period of revolution of the satellite will A) remain the same B) increase C) decrease |
b
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The tilt of the Earth on its axis is a cause of the Earth's
A) 24-hour day B) uniform daylight hours C) changing length of day and night D) 365[-day year |
c
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At noon on which date would the observer cast the longest
shadow? A) December 21 B) September 23 C) June 21 D) March 21 |
a
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