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Science

Science Terms

AnswerQuestion
A line through the center of a body, around which the body rotates or spins; Earth's imaginary axis passes through the North Pole and the South Pole. Axis
The path that a solar-system object takes in revolving around another solar-system object. Orbit
The blocking of light from one object in space by another object in space, as seen from a particular location. Eclipse
The natural satellite of the earth, visible (chiefly at night) by reflected light from the sun. Moon
Of, relating to, or determined by the sun. Solar
Of, determined by, relating to, or resembling the moon. lunar
When the Moon passes between the Sun and Earth, so that light from the Sun is partially or totally blocked. Solar Eclipse
When the Moon passes through Earth's shadow so that some or all of the Moon can only be seen by reflected light from Earth. Lunar Eclipse
How does a sundial work? There is a gnomon that sticks in any flat surface and the Sun casts a shadow on the gnomon, showing what time it is by the size, length, and shape of the shadow.
Why does the Sun appear to move? It appears to rise in the East and set in the West because the Earth rotates on it's axis which makes the Sun appear to move.
How long does it take for the Earth to rotate once on its axis? It takes the Earth one day (24 hours) to rotate once on its axis.
How long does it take the Earth to revolve once around the Sun once? It takes the Earth one year (365 1/4 days) to revolve once around the Sun.
What causes the tides on Earth? The Moons gravity distorts the sea level so that the sea is slightly higher on the side of the Earth closer to the Moon, and also on the side farther from the Moon.
What are the relative sizes of the Earth, Moon and Sun? The Moon is 1/49 of Earth and the Sun's diameter is 110 times the Earth's diameter.
How long does it take for the Moon to rotate once around? It takes 10 days to rotate once around.
What is the Sun made of? The Sun is made of H (Hydrogen) and He (Helium)
How does the Sun produce energy? The Sun produces energy from fusion reaction.
What is the frequency of a Solar Eclipse? Every 18 months if you move to different spots on the Earth. Or every 370 years if you stay in the same spot on the Earth.
What is the positioning of a Solar Eclipse? The positioning of a Solar Eclipse is Sun, Moon then Earth, because the Moon blocks the Sunlight from being cast on the Earth.
What is the Moon phase of a Solar Eclipse? During a Solar Eclipse the Moon is a New Moon.
How long does a Solar Eclipse last? A Solar Eclipse lasts 8 minutes.
What is the frequency of a Lunar Eclipse? A Lunar Eclipse happens more than once a year.
What is the positioning of a Lunar Eclipse? The positioning of a Lunar Eclipse is Sun, Earth and then Moon, because the Moon moves into Earths shadow.
What is the Moon Phase of a Lunar Eclipse? During a Lunar Eclipse the Moon is a full Moon.
How long does a Lunar Eclipse last? A Lunar Eclipse lasts as long as 2 hours long.
What is the length of the Moon's cycle? The length of the Moon's cycle is about a month (29.5 days).
What is the position of the Moon, Earth, and Sun? The position of the Moon, Earth, and Sun is: Sun, Earth, Moon if an eclipse is NOT occuring.
Created by: avery.spirewka