led by guide. To direct a group of musicians in performance.

Next; the one after this. body of supporters or admirers. Next; the one after this. To be the logical result of something.

conclusion reached on basis of evidence and reasoning.

movement through or past somewhere. subject microorganisms or cells to passage.

half-pillar or half-pier attached to wall to support arch. To answer something or someone.

definite or clear expression of something in speech. Record of activity in a bank account over time.

dog's lead. Chains, straps, etc. for controlling animals. put leash on dog.

facts provided or learned.

of or according to rules of logic or formal argument.

To show how something works (e.g. product).

picture or diagram made with pencil, pen. To get closer to or approach something or someone. To move an object by pulling.

Thing a person has done or that happened to them. To gain knowledge by doing things.

Test performed to assess new ideas or theories. To create and perform tests to research something.

The act of composing letters on paper. To invent or create a computer program. To create a song or piece of music.