Small organisms, including algae, that float or drift in great numbers in fresh or salt water, especially at or near the surface

Any tree or shrub that has cones and needles

Capable of igniting or burning

Material larger than tinder used to ignite logs and other fuel in a fire

To start to burn or catch fire

A material for starting fire

Any of a group of organic compounds that includes sugars, starches, celluloses and gums, and serves as a major energy sources in the diet

Cloudy, as with mud or sediment

To make do with what you have on hand or make it up as you go along

To conquer

A word, abbreviation, or rhyme that helps you remember something

Although it should only be done as a last resort, you can drink seawater if there are no sources of freshwater.

To purify water effectively, you must boil it for at least ____ minutes.

Fire requires which of the following three elements?

(Input the THREE correct answers; then push the ENTER button.)