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Science Exam Lesson 3

Terms in this set (30)

Shadow
When one object blocks light from another object, a ______ results.
Wide
Light from a ________ source forms a shadow with lighter and darker parts.
Umbra
The darker central part of a shadow is called the __________.
Totally
In the Umbra, light is __________ blocked.
Penumbra
The latter part of a shadow is called the _________.
Partially
In the penumbra, light is ________ blocked.
Earth
When the moon passes between Earth and the Sun, it cast a shadow on ________.
Solar eclipse
During a _______, the moon's Shadow passes over Earth's surface.
New
A solar eclipse can occur only during a ________ Moon.
Total
If you are in the Umbra of the moon's Shadow, you see a ________ solar eclipse.
Completely
The moon appears to _______ cover the Sun.
Partial
If you are in the penumbrs of the moon's shadow you see a _______solar eclipse.
Tilted
The moon's orbit is slightly ___________ compared to the Earth's orbit.
Lunar eclipse
During a _________, Earth casts a shadow on the moon.
Full
A lunar eclipse can occur only during a _________ moon phase.
Total
When the entire Moon passes through Earth's umbra , a _______ lunar eclipse occurs.
Umbra
When only part of the Moon passes through the ________ of Earth's shadow a partial lunar eclipse occurs.
Tilted
You do not see a lunar eclipse every month because the moon's orbit is slightly ________compared to the Earth's orbit.
Tide
The daily rise and fall of sea level is called a ________.
Moon
The main cause of Tides is the gravitational pull on the ________on Earth.
Tidal bulge
This occurs on the side of earth that is closest to the moon and on the opposite side of Earth.
High
_______ tides occur at tidal bulges.
Low
_________ tides occur between tidal bulges.
Spring
During a ________ tide, Earth, the Sun, and the Moon are positioned in a straight line.
Sun
The ________ also affects Tides, but not as much as the moon does.
Higher
During a spring tide, high tides are ________than usual.
Lower
During a spring tide, low tides are ________than usual.
Neap
During a _________tide, Earth, the Sun, and the Moon form a right angle.
Lower
During a neap tide high tides are ______ than usual.
Higher
During a neap tide low tides are ______.
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