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NYSTCE CST Multisubject Part 3 (245) Exam/31 Questions and Answers/100% Scores
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NYSTCE CST Multisubject Part 3 (245)Exam/31 Questions and Answers/100% Scores
Scientific Inquiry - -The diverse ways in which scientists study the natural
world and propose explanations based on the evidence derived from their
work.
-Features of Scientific Inquiry - -1. Learner engages in scientifically oriented
questions
2. Learner gives priority to evidence in responding to questions
3. Learner formulates explanations from evidence
4. Learner connects explanations to scientific knowledge
5. Learner communicates and justifies explanations
-Steps of Scientific Inquiry - -1. Figure out the problem - use 5 senses,
observe world around you
2. Research - educate yourself on how to solve your problem/answer
question, go to library/online/ask an expert, gather information
3. Hypothesis - educated guess on how to solve your problem/answer
question (if ... then ...)
4. Experiment
5. Analyze results
6. Conclusion - did you solve your problem/answer question? why/why not?
what is next?
7. Communicate your results
-Earth-Moon-Sun Interactions - -1. Rotation and Revolution
2. Moon Phases
3. Eclipses
4. Seasons
5. Tides
-1. Rotation and Revolution - -The moon and Earth revolve and rotate.
Rotation is when a planet or moon turns all the way around or spins on its
axis one time.
The axis of rotation is an imaginary line going from the north pole to the
south pole.
When a planet or moon travels once around an object this is considered a
revolution.
On Earth, a rotation is pretty short - it happens once a day! It is the rotation
that makes the sun appear to come up in the morning and set at night. On
Earth, a revolution is quite a bit longer - one year!
, The moon is a little different. The moon rotates once about every 27-29
days, and revolves once about every 27-29 days. So every time the moon
goes around Earth it turns around one time. That is why the moon always
looks the same - we only ever see one side of it!
-2. Moon Phases - -The Moon has phases because it orbits Earth, which
causes the portion we see illuminated to change.
The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new
Moon to new Moon) is 29.5 days.
The Moon spends the extra 2.2 days "catching up" because Earth travels
about 45 million miles around the Sun during the time the Moon completes
one orbit around Earth.
At the new Moon phase, the Moon is so close to the Sun in the sky that none
of the side facing Earth is illuminated. In other words, the Moon is between
Earth and Sun.
At first quarter, the half-lit Moon is highest in the sky at sunset, then sets
about six hours later.
At full Moon, the Moon is behind Earth in space with respect to the Sun. As
the Sun sets, the Moon rises with the side that faces Earth fully exposed to
sunlight.
-3. Eclipses - -An eclipse occurs at those times when the Moon moves into a
position of direct alignment with the Sun and the Earth.
There are two basic types of eclipses - lunar and solar.
Total lunar eclipse: when the full Moon passes through the shadow of the
Earth. In this case, the Sun and the Moon are on opposite sides of the Earth.
If you observe a lunar eclipse (visible only at night at the time of certain full
Moons), you'll see the bright lunar disk turn dark -- sometimes a coppery red
color -- for as long as an hour or more.
Total solar eclipse: which occurs when the new Moon passes directly
between the Sun and the Earth.
In the narrow path of totality swept across the Earth by the Moon's complete
shadow (the umbra), daytime briefly turns to an eerie darkness, and during
these few precious minutes the wispy halo of the Sun - the corona -comes
into view as the dark disk of the Moon totally obscures the bright Sun.
Outside the path of totality, in the Moon's partial shadow (the penumbra),
some portion of the Sun's bright disk remains visible.
-4. Seasons - -The seasons are the result of the tilt of the Earth's axis. The
Earth's axis is tilted from perpendicular to the plane of the ecliptic by 23.45°.
This tilting is what gives us the four seasons of the year - spring, summer,
autumn (fall) and winter. Since the axis is tilted, different parts of the globe
are oriented towards the Sun at different times of the year. Summer is
warmer than winter (in each hemisphere) because the Sun's rays hit the
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