Soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.

Something that you bought. To buy something; to get by paying money for it.

having been thought about carefully. To think carefully about something.

engaging in speech. action of talking. To make a formal speech about something.

consequence, effect, or outcome of something. Some things produced through tests or experiments. occur or follow as consequence of something.

sympathetically aware of other people's feelings. Knowledge about something or someone. To know the meaning of language, what someone says.

To keep a promise; do what you say you would.

comprise or contain as part of whole.

Large group of similar things functioning together.

To respond to (e.g. news) in a particular way.

device for recording visual images in form of photographs. Objects that take pictures digitally, or on film.

Act of referring to or talking about something. refer to something briefly.

formal assessment of something with intention of instituting change if necessary. Opinions, as in a paper, about movies, books, or plays. To study again to remind yourself about something.

list of recorded songs or pieces of music chosen to be broadcast on radio show.

To insert or put something inside another thing.