Compare the density of the following pieces of gold
They all have the same density
Contour lines are lines that connect points of equal __________.
elevation
Describe the TRUE SHAPE OF THE EARTH.
Oblate Spheroid
Name the event responsible for the creation of the universe and the date in which this occurred.
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The Big Bang Occurred 13.8 billion years ago
In what season is the sun's apparent size larger and why?
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Winter- we are closer to the sun in perihelion
When TEMPERATURE INCREASES (ADD HEAT) to a substance, what happens to DENSITY and will the object FLOAT OR SINK?
WHEEL
Density DECREASES, The object would rise up (float)
When contour lines are close together, what does that indicate?
A steep slope
How old is the Earth?
4.6 Billion years old
Name the 2 pieces of evidence we use to support the big bang theory.
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Red Shift and Cosmic Background Radiation
During the Fall and Spring Equinox in NYS, the sun appears to rise in the ________ and set in the ______.
At Noon, the sun is always over the _________ part of the sky.
East --> West
Southern
When pressure increases, what happens to density? And is this a direct or indirect relationship?
Density INCREASES. DIRECT RELATIONSHIP.
What direction is this stream flowing?
Southwest
The earth rotates (spins) and revolves (orbits) around the sun
Name and describe the place where stars are born.
Stellar Nebula - area of gas and dust in space
Describe how the sun appears to an observer at the north pole on June 21st.
The sun never appears to set.
At what temperature is water the most dense?
SPIN
4 Degrees Celsius
Name the following latitudes:
Equator:
Tropic of Cancer:
Tropic of Capricorn:
North Pole:
South Pole:
0 degrees
23.5 N
23.5 S
90 N
90 S
Describe the two main reason the earth has seasons.
The axial tilt of 23.5 degrees plus the revolution around the sun.
It is average in all respects
Describe where an observer at the Tropic of Cancer should look for the sun at noon on June 21st.
AND
Describe what their shadow would look like:
The observer should look straight up at their ZENITH.
They would have little to no shadow.
Name three events in Earth Science that are CYCLIC AND PREDICTABLE
Moon phases
day and night
seasons
sun spots
tides
What is the altitude Polaris from an observer in NYS?
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41-42 degrees in the Northern Part of the sky.
Describe Earth's revolution around the sun in terms of eccentricity.
Compare this orbit to an inanimate object.
Slightly eccentric ellipse
Bowling Ball
If a star is born with the Highest MASS, describe it's journey from birth to death.
WHEEL
Stellar Nebula--> Massive Blue Main Sequence--> Red SUPERGIANT--> Supernova --> BLACK HOLE
Explain the reason why we always see the same side of the moon.
WHEEL
The moon rotates and revolves at the same exact rate.