The moon’s gravity is ______ than that of the Earths.
Objects weigh __________on the moon than they do on Earth.
If you weighed 120 lbs on Earth then you’d weigh _____lbs on the Moon.
If you weighed 240 lbs on Earth then you’d weigh _____lbs on the Moon.
If something weighed 80 lbs on the Moon then it would weigh _____lbs on the Earth.
If something weighed 25 lbs on the Moon then it would weigh _____lbs on the Earth.
How did scientists begin to estimate the average distance to the moon?
What purpose did leaving the mirror on the moon serve? A Beam of light was bounced fro the Earth off the mirror. They measured the amount of time it took the beam to bounce back to the Earth. A beam of light was bounced from the Earth off the mirror that was on the moon. They measured the amount of time it took the beam to bounce back to the Earth. Then using the speed of light, they could then calculate the distance to the moon accurately.
Astronauts also brought back samples of _________________.
The oldest moon rocks are about _______billion years old.
The moon does not have any ____________, therefore there is no weather on the moon.
The days can be warm on the moon (100 degrees C) and the nights very cold (-175 degrees C)!
In 1609, ____________ became the first person to look at the moon through a telescope. He saw light and dark areas on the moon!
The light areas Galilei saw are mountain ranges called ____________.
The dark areas Galilei saw are broad, smooth, lowland plains called
_______________was also a famous Polish scientist/astronomer who first stated the theory that Earth and other planets revolve around the sun.
Most of the Moon’s craters are located in the ___________.
Evidence that the moon once had active volcanoes may be the long valleys that cross the Moon’s surface also known as _________.
Another explanation that the rilles may be cracks caused by________.
The The moon revolves around the Earth a (n) ___________orbit.
At _________________, the point of the moon’s orbit is closest to the Earth. (About 350,000 kilometers)
v At _________________, the point of the moon’s orbit is farthest from the Earth. (About 400,000 kilometers away)
The Moon takes _______to rotate once on its axis. Almost a month!
The Moon takes _______to revolve around the Earth. This means that a day on the moon is just as long as a year on the moon!
About 4.6 billion years ago a lot of space debris was floating around our Solar system. A giant asteroid (the size of Mars) hit the Earth and tore a chunk out of Earth’s surface. The pieces that flew off is now our moon (the pieces merged together in orbit due to Earth’s Gravity.) **The hole that was left on Earth is now the Pacific Ocean. **This is also supported by moon rocks.
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