| air |
Air is what is in the space above the ground. The sky is full of air. [1/2 definitions] |
| area |
An area is a part of space. When we think of an area, we think of some space with a line around it. It might be a real line or an imaginary line. A town is an area. A garden is an area. Rooms are areas in a house. Very often, one area is part of a larger area. [2 definitions] |
| astronaut |
An astronaut is a person whose job is to travel and work in space. |
| atmosphere |
All around the planet Earth are 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] |
| attic |
An attic is the space in a house that is under the roof and over the ceiling of the top floor. People often store things in the attic. |
| backyard |
If you live in a house, you might have a backyard. A backyard is an open space behind your house. It usually has grass, and you can play there or maybe have a garden or just keep things there. |
| basement |
A basement is a space in a building that is under the ground. People often keep things that they don't need every day in their basement. Some people use their basement as a place to play games and relax or to do certain kinds of work like making things with wood or washing clothes. |
| chemical |
Chemicals are the different substances that exist on the earth and in space. A chemical can be one basic substance, such as oxygen or gold or iron, but we also use the word chemical when we talk about mixtures of things, such as gasoline. People often think of chemicals as liquids, but chemicals can be solids and gases too. Chemicals are things that we can find in nature, but chemicals can also be substances that scientists make for special purposes, such as for medicines or products that we use in our daily lives. |
| clear |
When you clear something, you take things away from it so that there is open space. When you clear the table after dinner, you take all the dishes and things away. [1/4 definitions] |
| closet |
A closet is a small room or tall space for keeping things such as clothes or supplies. A closet has a door, and sometimes it has shelves inside. |
| distance |
Distance is the amount of space between things or places. |
| distant |
When something is distant, it is far away in time or space. |
| earth |
Earth is our world. It is a large thing, like a big ball in space, that travels around the sun. Earth and similar things in space are called planets. Earth is one of eight planets that go around our sun. It takes 365 days for Earth to make one trip around it. [1/3 definitions] |
| element |
Everything in our world and in space is made up of different elements. Things like oxygen, lead, iron, and gold are some of the elements. Elements are like the simple building blocks of other things. [1/2 definitions] |
| flight1 |
Flight is an act of moving through space by flying. Birds flying in the air are in flight. [1/3 definitions] |
| gas |
A gas is something that is not liquid or solid but still takes up space. Did you know that air is actually made up of gases? You can't see air inside a balloon, but the air inside takes up space and makes the balloon stretch out. Like the gases in air, most gases can't be seen. [1/2 definitions] |
| hall |
A hall is a long, narrow space that leads to other rooms in a building. [1/2 definitions] |
| hole |
A hole is an open or empty space in something. When you dig in the ground in your yard or in the sand at the beach, you are making a hole. A hole can also be something like a place in your pocket that lets your candy or money fall through! |
| hollow |
When something is hollow, the space inside it is empty. Footballs and soccer balls are always hollow. They have only air inside. Bunnies made out of chocolate are sometimes hollow and sometimes solid. |
| Jupiter |
Jupiter is a large, round object out in space. Like our Earth, it is a planet that travels around the sun. Jupiter is the largest of all the planets that go around the sun. Planet Earth could fit inside Jupiter many times. |
| light1 |
When something lights a room or other space, it makes it brighter. It fills it with light. [1/7 definitions] |