Year

High school (ages 12+)
Mathematics & Numbers

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/year

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How long is Year?Approximately 365.2422 Earth days, defining the cycle of seasons
2. What is the gregorian calendar reform?Introduced in 1582 to correct the drift of the Julian calendar
3. What is the leap year rule refinement?Centennial years are leap years only if divisible by 400
4. Why do we have leap years?Because the year is a bit longer than 365 days, we add an extra day every four years to keep our calendars in sync with the seasons.
5. What causes the seasons?Earth's tilt of about 23.5 degrees means different parts of the planet get more direct sunlight at different times of the year, creating spring, summer, fall, and winter.

Equinox: The time when day and night are of approximately equal length across the globe.
Solstice: The point in the year when the Sun reaches its highest or lowest excursion relative to the celestial equator.
Lunisolar Calendar: A calendar that is based on both the Moon's phases and the Sun's apparent position.