| adobe |
a building material of clay mixed with straw that has been dried by the sun and made into bricks. [1/2 definitions] |
| alga |
"Alga" is the singular form of the word "algae." Algae are living things that live mainly in water and make their food by using light from the sun. Algae are similar to plants, but they are not usually considered to be plants because they are different in some ways. For example, algae don't have roots and leaves like plants do. Most forms of algae are very helpful for animals and people. Seaweed is a kind of algae, which many people eat and can also be used in making other things. Fish and other water animals use algae for food. |
| algae |
Algae are living things that live mainly in water and make their food by using light from the sun. Algae are similar to plants, but they are not usually considered to be plants because they are different in some ways. For example, algae don't have roots and leaves like plants do. Most forms of algae are very helpful for animals and people. Seaweed is a kind of algae, which many people eat and can also be used in making other things. Fish and other water animals use algae for food. "Algae" is a plural word. The singular form is "alga." |
| almanac |
a book published every year that predicts the weather for each day and gives facts about the tides, the time the sun will rise and set, and other useful information. [1/2 definitions] |
| Aquarius |
the eleventh sign of the zodiac, the Water Bearer, which the sun enters about January 21. [1/3 definitions] |
| Aries |
the first sign of the zodiac, the Ram, which the sun enters about March 21. [1/3 definitions] |
| asteroid |
a small, rocky, planet-like body that circles the sun and is mostly found between the orbits of Jupiter and Mars. The size of an asteroid can vary from very tiny to six hundred miles across. |
| astronomy |
Astronomy is the science that studies things that are out in space, like the sun, the moon, other planets, and stars. |
| atmosphere |
The planet Earth is surrounded by gases. These gases all together are called Earth's atmosphere. As our planet travels through space and around the sun, its atmosphere stays with it. Other planets can have an atmosphere too, but Earth's atmosphere has just the right mixture of gases for humans to live. Our atmosphere lets us breathe and also protects us from the strong energy of the sun. [1/2 definitions] |
| awning |
a cover made of canvas or other material that is placed over a door or window. An awning keeps out sun and rain. |
| beach |
A beach is the land next to a lake or ocean. A beach is often a beautiful place where people go to lie in the sun. Some beaches have a lot of sand and others are covered with many small stones or rocks. [1/2 definitions] |
| beam |
A beam is a narrow ray of light. Beams of light from the sun shine through clouds. [1/5 definitions] |
| bleach |
When you bleach something, you make it white or lighter in color by using a chemical or the light of the sun. [1/2 definitions] |
| burn |
to receive too much sun on the skin. [1/8 definitions] |
| cancer |
(capitalized) the fourth sign of the zodiac, the Crab, which the sun enters about June 21. [1/4 definitions] |
| Capricorn |
the tenth sign of the zodiac, the Goat, which the sun enters about December 22. [1/3 definitions] |
| certain |
When something is certain to happen, it means that that thing is going to happen for sure. It is certain that the sun will go down tonight and come up tomorrow. [1/4 definitions] |
| comet |
an object in space that travels around the sun. A comet is made up of dust and gas, and sometimes forms a long, bright tail. |
| dark |
Dark is the time after the sun goes down. [1/6 definitions] |
| dawn |
Dawn is the first light of the morning as the sun comes up, or it is the time when the sun comes up. [2/5 definitions] |
| day |
Day is the time after the sun comes up. It lasts until the sun goes down. It is day when it is light outside. [1/3 definitions] |