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Seasons Test
| Question | Answer |
|---|---|
| What are the 4 branches of Earth Science? | Geology, Oceanography, Meteorology, and Astronomy |
| What days do the winter solstice occur? | December 21 or 22 the suns rays strike on the 90 degree angle on the Tropic of Capricorn |
| What day does the summer solstice occur? | June 21 or 22 the suns rays strike on the 90 degree angle of the Tropic of Cancer |
| What days the to Vernal Equinox occur? | March 21 or 22 |
| What day does the Autumnal Equinox occur? | September 22 or 23 |
| What is a light year? | The distance light traveled in one year |
| How do scientists know the earth is expanding? | Einstein discovered that matter distorts space and time causing the galaxies to move apart |
| What is the name of our galaxy? | The milky way |
| What is the red shift in astronomy? | Red-shift is when light or objects are increasing in wavelength |
| What is the age of our universe? | 13 billion years old |
| What is the age of our Earth? | 4 billion years old |
| What is the Big Bang? | The theory that the origin of the universe was a single giant release of energy from a single point in space time that has been expanding outward |
| What is the Axis of the Earth? | It is an imaginary line from the south pole to the north pole and is tilted at a 23.5 degree angle |
| What is the Earth circumference? | 40,007 km at the poles and 40,074 km at the equator. |
| What is the diameter of the earth? | The diameter of the Earth is 12,735 km |
| What are the Earth's surrounding gases? | 78% Nitrogen, 21% oxygen, and traces of Argon, carbon dioxide, and helium |