An elongated, closed curve

Waning moon phase in which only one-half of the lighted side of the Moon can be seen from Earth.

A round, three-dimensional object whose surface is the same distance from its center at all points.

The changing appearances of the moon as seen from earth

Hollow area formed on the moon by an object striking its surface.

Earth's yearly orbit around the sun

The point at which the sun reaches its greatest distance north or south of the equator.

When the Earth's shadow falls on the moon

What is the term for when the amount of the Moon's lighted side that can be seen becomes smaller?

When all of the moon's surface that faces earth is lit up

The spinning of Earth on its axis

Dark-colored, relatively flat regions of the Moon.

When the moon is between the earth and sun and cannot be seen.

When the moon temporarily blocks the sunlight reaching the Earth.

The imaginary line around which a planet such as Earth spins

Reached when the Sun's position is directly over the Earth's equator.

Waxing moon phase in which only one-half of the lighted side of the Moon can be seen from Earth.

A total solar eclipse can only be seen by people in the area of Earth within the Moon's umbra.

Earth rotates on its axis about once a year

Night and day on Earth are caused by Earth's revolution around the sun.

The Clementine spacecraft provided data for a detailed map of the moon's surface.

By studying moonquakes, scientists have been able to develop a model of the Moon's interior structure.

The summer solstice begins in June in the northern hemisphere and in December in the southern hemisphere.

Daylight hours are shorter for the hemisphere tilted toward the sun.

People are more likely in their lifetime to see a total lunar eclipse than they are to see a total solar eclipse.

If you follow a compass needle, pointing north, you would end up at the geographical north pole of Earth.

The presence of nitrogen in crater rocks at the moon's poles means ice may exist at these poles.

According to the Impact Theory, the moon formed from gas and debris thrown off Earth after a collision.

Earth is farthest from the Sun in January.

How long does it take for the Moon to go once around the Earth?

Where is Earth's circumference the greatest?

What causes the Sun to appear to rise and set?

What is the darkest part of the shadow during an eclipse?

The moon is visible to us because the moon

Which of the following is evidence that the Earth is a sphere? (Check all that apply)

Why can't you see a new moon?

What did NASA launch in 1998 to continue photographing the Moon and collecting data>

What fact does data gathered from the Clementine spacecraft support?

What season is shown for the northern hemisphere?

Alex made a moon phase poster using Oreos, but he made a mistake. Where did he make a mistake?

From new moon phase to full moon phase, you see

You are less likely to see a total solar eclipse than a total lunar eclipse because

The gravitational pull of the moon has a greater effect than the pull of the Sun on the tidal changes in Earth's oceans because

Earth is around 3 million miles closer to the sun in January that in July. What affect does this have on Earth's temperature and seasons?

What causes the phases of the moon?

Why do scientist think there might be "water" on the moon? (Choose all that apply)

Which statement best explains why the same side of the Moon is always viewed from Earth?

Why might the South Pole-Atkin basin be a good place for a moon colony in the future?

A satellite is defined as something that orbits a planet. How many NATURAL satellite(s) does Earth have?