science which deals with physical structure and substance of earth, their history, and processes.

process of taking air into and expelling it from lungs. To stop moving so one can rest.

optical instrument designed to make distant objects appear nearer, containing arrangement of lenses, or of curved mirrors and lenses. Tube-shaped device used to see a great distance. slide or cause to slide into itself, so that it becomes smaller.

length or portion of time. Set amount of times during which events take place.

To examine something in detail to learn about it.

Process of making catch fire (e.g. an engine).

Used to add new (often different) information.

for reason that.

Able to be used at a scheduled time.

picture made using camera, in which image is focused on to light-sensitive material. Pictures taken with a camera. To take a picture with a camera.

devoted to task or purpose. To state a person's name in book, song, in respect.

vehicle used for travelling in space.

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

Completely; totally; very.

flowing naturally or supplied to building through pipes and taps. The act of moving your legs to move quickly. To move your legs faster than walking.