**calendar**and see the a year is something the lasts indigenous January 1 come December 31. After ~ that, the starts over again. What is a year past dates on a piece of paper? A year is the moment it takes the planet to

**orbit**the sun one time. The time is equal to 365.24 days. Friend should recognize that it transforms a little each year since when you take trip 574,380,400 miles (924,375,700 km) occasionally you go a tiny faster or slower. Ingredient happens along the way.As us move around the Sun, days readjust and 4

**seasons**start to appear. Periods exist since the earth does no sit up and also down. It"s ~ above a little bit of a

**tilt**. The tilt permits the work lengths to readjust throughout the year. Periods with longer and warmer days space

**summers**and also the much shorter and colder days room

**winters**. The differences in the seasons are no as remarkable on the

**equator**. Together you relocate towards the

**poles**, castle become an ext and an ext extreme. Summers in ~ the poles are virtually entirely daylight and the winter are nearly entirely night.

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Leaping prefer a FrogNow you recognize a year is a little more than 365 days. A day is a tiny less than 24 hrs long. Every one of this "little less" and also "little more" add to up through the years. The leads s to the idea that

**leap years**. Every four years we need to adjust our calendars. We add a special little day in February. Generally there are 28 work in February, yet leap years offer it 29 days. The extra full day makes up because that the extra 4 minutes 1 days we acquire every 4 years.Year TermsA year is one unit. It"s one trip approximately the Sun. We"ll talk around months and also days in the following sections. Let"s look at some terms offered to explain multiple years.

**Decade**: Ten (10) years.

**Century**: One hundred (100) years.

**Millennium**: One thousands (1,000) years.

**Light Year**: The distance light can travel in one earth year. (Almost 6 sunshine miles)There are also terms used to define millions the years. This aren"t specific numbers choose a decade or century. These terms describe general geologic periods.

**Eon**: The longest lot of time.

**Era**: numerous eras consist of an eon.

**Period**: several periods comprise an era.

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**Epoch**: numerous epochs make up a period.So where space we now?Phanerozoic Eon - Cenozoic Era - Quaternary duration - Holocene epoch - This Year - TodayWe just thought you could like to know. It"s like addressing an envelope.Details to Remember- There are 365 job in a common year and also 366 days in a leap year.- four Seasons in a year (Winter, Spring, Summer, and Fall)- A decade has actually ten (10) years.- A century has actually one hundred (100) years.- A millennium has actually one thousand (1,000) years.

## Related Activities

Converting minutes to Hours, Days, and also Months- play Activity | Learning the surname of the Months- play Activity |

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Useful reference Materials

**Wikipedia:**

*https://en.wikipedia.org/wiki/Pre-algebra*

**Encyclopædia Britannica:**

*http://www.britannica.com/topic/mathematics*

**College that the Redwoods:**

*http://mathrev.redwoods.edu/PreAlgText/*

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