ES18A Quiz

Earth ________ on its axis once a day.
1. remits
2. revolves
3. rotates
4. reduces
Day and night are caused by ___________.
1. Earth's revolution of the moon
2. Earth's tilt of 23.5 degrees
3. Earth's rotation on its axis
4. the moon's tilt
In an eclipse, if you are in the _____________ the sun is totally blocked out.
1. bright side
2. orbit
3. penumbra
4. umbra
Earth's rotation is about once every __________ .
1. 24 hours
2. 365.25 days
3. 365 days
4. 29.5 days
The same length of daytime and night happens during the __________.
1. spring solstice
2. solstice
3. equinox
4. autumnal solstice
Earth ____________ around the sun once a year.
1. rotates
2. equinox
3. eclipses
4. revolves
Earth ____________ on it axis once a day.
1. rotates
2. revolves
3. eclipses
4. equinox
We see the moon in its ______________ when it is lit by the sun at different times in its orbit around Earth.
1. equinox
2. revolution
3. phases
4. solstice
_____________ happen when the moon or sun pull on the water on the Earth.
1. Equinox
2. Epicenter
3. Tides
4. Waves
The darkest part of the eclipse is the __________________ .
1. penumbra
2. orbit
3. umbra
4. slider
When the sun's rays are the most direct it is _____________ in the Northern hemisphere.
1. winter
2. summer
3. spring
4. fall
The solstice happens ___________ a year.
1. twice
2. three times
3. once
4. four times
There are ________ high tide(s) and __________ low tide(s) every day .
1. 1, 1
2. 2, 2
3. 4,4
4. 2, 4
During a solar eclipse, the __________ is hidden in shadow.
1. sun
2. moon
3. Earth
4. asteroid
You can watch a __________ eclipse without special equipment.
1. lunar
2. solar
3. windy
4. spiral