How long does it take for the earth to orbit the sun?
365 days
100
What are the four seasons Earth has?
Spring, Summer, Fall, and Winter
100
What is an axis?
An imaginary line about where the earth rotates.
100
What system does Earth follow for the seasons and time?
Earth, Moon, and Sun System
200
Which of the following days are longer, in the winter, or in the summer?
Summer
200
Do the hemispheres move?
No
200
Why are there seasons?
When the earth with it's tilt orbits the sun, different parts of earth receive different amount of energy.
200
What is a hemisphere?
Half of a sphere (the earth is divided to two parts, the northern and southern.
200
Why are there leap years?
It takes earth a longer time to orbit the sun every 4 years.
300
Why are the days longer during winter in the souther hemisphere?
The earth's tilt causes the southern hemisphere to stay facing towards the sun during the months by December.
300
How many days does the moon orbit Earth?
28 days
300
During December-March, what season does the southern hemisphere experience?
Summer
300
What is an equator?
an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres
300
Besides Earth's tilt, what else causes a factor for seasons?
The earth's distance from the sun
400
Around what month does the northern hemisphere receive more heat?
Around June-August
400
How many time zones are there?
24 time zones
400
What month are the summer and winter solstice?
June and December
400
What is a solstice?
Either of the two times in the year, the summer solstice and the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.
400
How fast does Earth travel around the sun?
30 kilometers per second or about 67,000 miles per hour
500
Why are their equinoxes?
When earth orbits the sun, it's tilt causes the daylight hours to change a lot. Every year, the earth's tilt causes the daylight hours to stay up the same amount of the night.
500
How many degrees does Earth rotate every hour?
15 degrees
500
What month does the autumn equinox occur in?
September
500
What is an equinox?
A time or day when night and day are the same length.