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Astronomy Practice Quiz
Science quiz over astronomy.
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, updated more than 1 year ago
almost 9 years ago
Earth's rotation takes about 365 days.
Select the best answer for what causes day and night.
Earth's rotation on its axis
solar and lunar eclipses
the tilt of the Earth's axis
Earth's revolution around the sun
One complete revolution of Earth around the sun takes about one season
Select the best answer(s): Earth has seasons because:
Earth's axis is tilted causing the sun to shine more directly on one portion of the Earth and less on another.
the Earth is closer to the sun at different times of the year
the tilt of the axis causes the sun's rays to strike the Earth with more intensity at certain times of the year.
the temperature of the sun is different during certain times of the year
when the Earth is tilted towards the sun, there is more sunlight for longer periods of time.
What causes a solar eclipse?
the sun must be directly between the Earth and the moon.
the moon must be directly behind the Earth
the moon must be directly between the Earth and the sun
Earth must be directly between the sun and the moon.
Ocean tides are mainly caused by differences in how much the moon's gravity pulls on different parts of the Earth.
What caused maria to form on the moon's surface?
The moon is about the same diameter as Earth.
_________________ attracts all objects to each other.
Because the moon rotates once for each revolution around Earth, you see some phases more than others.
Why does the temperature of the moon and other planets vary greatly from day to night?
They have no gravity.
They have ice rings.
They have dust storms.
They have no atmosphere.
When a meteoroid enters the Earth's atmosphere, it produces a streak of light called a comet.
Select the best answer(s). Life exists on Earth because:
there is an atmosphere to protect our planet
Water is plentiful and essential to life
the Earth's proximity to the sun prevents us from getting too hot and too cold.
there are mountains on Earth.
What does the diagram depict?
Satellites are NOT a natural object in our solar system.
Space is so large we must use special units of measurement called: select the best answer(s)
AU's or Astronomical Units
none of the choices are correct
The four planets closes to the sun are:
generally warmer than the other planets in the Solar System
called the "Terrestrial" planets
rocky and dense
called the inner planets
Which is NOT true about the outer planets?
They are called the "gas" giants
Their orbits around the sun take longer.
They are rocky and dense
They are colder than the inner planets.
During the Northern Hemisphere's winter the days are much longer and the nights are shorter.
All objects in our Solar System revolve around Earth.
All objects in our Solar System revolve around the sun.
Jupiter is the largest object in the Solar System.
Our solar system contains 7 planets, comets, asteroids and other galaxies.
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