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autumn Autumn is the season between summer and winter. Another name for autumn is fall. |
August August is the eighth month of the year. |
April April is the fourth month of the year |
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century A century is 100 years. |
calendar A calendar lets you know what day it is. |
birthday You have a birthday every year. |
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day The sun is up during the day. |
cuckoo clock A cuckoo clock has a mechanical bird that sings every hour. |
clock If you want to know what time it is, look at a clock. Digital clocks display the time using numbers (like 2:25); analog clocks display the time hands (as in the picture above). |
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evening Evening is the late part of the day and the early part of the night. |
December December is the twelfth month of the year. | Daylight Savings Time Daylight savings time (abbreviated DST) is a system in which the time jumps ahead one hour in the spring and is set back one hour in the fall in order to save energy. |
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grandfather clock A grandfather clock is a large, free-standing pendulum clock. |
February February is the second month of the year. |
fall Fall is the season between summer and winter. Another name for fall is autumn. |
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hour hand An hour hand on a clock tells you what hour it is. |
hourglass An hourglass measures time as sand falls through a thin opening. |
hour There are 24 hours in a day. |
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June June is the sixth month of the year. |
July July is the seventh month of the year. |
January January is the first month of the year. |
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March March is the third month of the year. |
late The sun sets late in the day. |
Jurassic period Dinosaurs flourished during the Jurassic period, 208-146 million years ago. Stegosaurus and Apatosaurus were two dinosaurs that lived during the Jurassic. |
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midnight Midnight is 12:00 at night. |
Mesozoic Era The Mesozoic Era was the time when dinosaurs lived and mammals evolved. The Mesozoic lasted from 250 million to 65 million years ago. It began and ended with mass extinctions. |
May May is the fifth month of the year. |
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morning The sun rises in the morning. |
month There are 12 months in a year: January, February, March, April, May, June, July, August, September, October, November, and December. |
minute hand A minute hand on a clock tells you how many minutes past the hour it is. |
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November November is the eleventh month of the year. |
noon Noon is midday, 12:00, when the sun is closest to overhead. |
night At night, when the sun goes down, you can see stars in the sky. |
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second There are 60 seconds in a minute. |
seasons There are four seasons in the year: winter, spring, summer, and fall (also called autumn). |
October October is the tenth month of the year. |
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spring Spring is the season after winter and before summer. |
September September is the ninth month of the year. |
second hand The second hand on a clock tells you how many seconds have gone by. |
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sunset Sunset is the time when the sun sets below the horizon. |
sunrise Sunrise is the time when the sun rises. |
summer Summer is the season between spring and fall (autumn). |
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time zone The Earth is divided into 24 time zones so that everyone in the world can be on roughly similar schedules (like having noon when the sun is highest in the sky). |
timeline A timeline is a graphic display that shows a series of events that happen in a time period. |
time Time is measured in seconds, minutes, hours, days, weeks, months, and years. |
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watch A watch is a small clock you can take with you to tell time. | Triassic period Dinosaurs and mammals first appeared during the Triassic period, which lasted from 248 million to 208 million years ago. |
today Today is the day it is right now. |
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year A year consists of 12 months, 52 weeks, or 365 days. |
winter Winter is the season between fall and spring. In the Northern Hemisphere, winters are cold; in the Southern Hemisphere, they are warm. |
week There are 7 days in a week: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday. There are 52 weeks in a year. |
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