Earth , Sun, & Moon
Earth , Sun, & Moon
Earth , Sun, & Moon
Earth , Sun, & Moon
Earth , Sun, & Moon
100
The ________ is Earth’s only natural satellite. It is also Earth’s closest neighbor in space.
What is the moon.
100
One _______ is a complete spin on the axis.
What is rotation.
100
Earth ________________________ around the Sun. To revolve means to move around an object. The path a revolving object follows is its ____________________.
What is revolves and orbit.
100
Unlike stars, the Moon __________ _____________ make its own light, it reflects the light from the _________.
What is does not and the Sun.
100
As the Moon appears to get larger, it is ___________.
What is waxing.
200
Moons orbit planets for the same reason that planets orbit the Sun--because of ________ attraction and ______.
What is gravitational attraction and inertia.
200
Earth makes one rotation every day or _____________ hours.
What is 24.
200
Earth’s orbit is shaped like an __________, or a slightly flattened circle.
What is an ellipse.
200
During the Moon’s orbit, we see different amounts of the moon lit by the Sun. The apparent shapes of the Moon in the sky are called__________________. The Moon cycles through all of its phases during one complete orbit.
What is phases.
200
As it appears to get smaller, it is _________.
What is waning.
300
The Moon’s gravitational force causes Earth’s ______, the regular rise and fall of water levels along the shore.
What are tides.
300
If you watch objects in the sky, such as the Sun, they appear to rise in the ________________, move across the sky, and set in the ______________. The Sun is not actually moving though
What is East and West.
300
As Earth revolves around the Sun, the tilted axis points in the same direction. When the Northern Hemisphere is tilted away from the Sun, it is _________ in the Northern Hemisphere. At the same time, it is _____________ in the Southern Hemisphere because it is angled toward the Sun.
What is winter and summer.
300
Why does the moon appear to shine in the night sky?
What is the moon reflects the Subs light.
300
During the ________ __________ phase, the Moon cannot be observed at all.
What is the New Moon.
400
Earth is moving at 30 km/s (19mi/s) as it orbits the Sun. A __________________________ is a complete pass around the Sun, taking ___________________ days, or one year.
What is a revolution and 365 1/4 days.
400
The _________________ of Earth’s axis affects the lengths of the day. If the axis were not tilted, day and night would each be 12 hours long.
What is tilt.
400
Because the tilt of Earth’s axis always points in the same direction, the seasons in the Northern and Southern Hemispheres are always _____________________.
What is opposite.
400
The Moon completes one orbit in just over __________ days. This is almost as long as an average ___________.
What is 29 and month.
400
Staring at a ________ ________ can cause serious eye damage, even blindness.
What is a Solar Eclipse.
500
Earth is also spinning on the ________ at about 1600 km/h (1000 mph).
What is axis.
500
At any point in time, half of Earth’s surface faces the Sun and is in _____________. The other half of Earth’s surface faces away from the sun and is in _________.
What is daylight and darkness.
500
_____________ ____________ is the way something appears, or seems, to move. Earth’s _______________ causes the apparent motion of many objects in space.
What is apparent motion and rotation.
500
Recall that Earth’s axis is tilted and it takes 365 ½ days to make a full revolution. The ______________ result from both Earth’s tilted axis and its revolution around the Sun.
What is seasons.
500
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