If you want to know what time it is, you look at a watch or a clock. If you want to know the date, you look at a calendar. A clock measures time during a day. It lets you know when to turn on a...
Looking at moonlight
Boys and girls, come out to play, The moon is shining bright as day. Mother Goose Under a full moon there is plenty of light for a game of tag, for hide-and-seek, or for an evening walk. It's...
Different calendars
The calendar you use every day isn't the only kind of calendar. There are others. The Hebrew, or Jewish, calendar is used to fix the dates of the Jewish religious year. It follows both the moon and...
Twelve months make a year
> Thirty days hath September, April, June, and November; All the rest > have thirty-one, Except February alone, And that has twenty-eight days > clear And twenty-nine in each leap year. > > Old...
Tide in, tide out
When the tide is in, a beach may be covered with water. When the tide goes out, tiny pools of water, often with a few sea creatures in them, are left among the rocks. "Get all the cargo aboard....
A many-ringed planet
The sixth planet from the sun is Saturn. It is the second largest planet---nearly ten times bigger than the earth. Saturn is named after the Roman god of farming. It has a rocky center, probably...
The giant planet
The giant of the sun's family is the planet Jupiter. It's the biggest planet of the solar system---more than eleven times bigger than the earth. Jupiter is named after the king of the Roman gods. ...
The red planet
At night, you can sometimes see a bright "star" that shines with a reddish gleam. It is Mars, the "red planet," named after the Roman god of war. Mars is the fourth planet from the sun ---about 142...
Closest to the sun
The planet closest to the sun is Mercury. It is one of the smallest of the nine planets---only a little more than one-third the size of the earth. Seen from the earth, Mercury appears, disappears,...
On the moon
People have visited the moon and walked on it, so we know what the surface of the moon is like. This big ball of gray rock has broad, flat plains covered with powdery rock dust. There are rugged...