2. Find the direction in the ant nest: you can tell the direction according to the ant's cave. Because most of the female ants' holes face south; In many rocky places, you can also find a striking rock. The moss-covered side of the rock is the north side, and the boring and bare side is the south side.
3. Find the direction of the Big Dipper: If it is a starry night, you can tell the direction according to the stars: first find the Big Dipper in the sky. If you don't know what the Big Dipper is, I can't help it. Find the sixth and seventh stars along its spoon handle. According to the mathematical principle of two points determining a straight line, two stars are connected into a straight line, and a bright Polaris is is found on the extension line of this line.
4. Find the direction of the snow: If it is in winter, the part of the snow that is difficult to melt is always facing north due to sunlight.
5, looking for the direction: this is easier, the ancients should learn, because the following four are not so easy to find. Use a watch to tell the direction: divide your time by 2, and then aim the quotient at the sun. The direction indicated by 12 on the dial is south. For example, at 8 o'clock in the morning, the quotient divided by 2 is 4, and the 4 on the dial faces the sun, and 12 refers to the south. If it is afternoon, it should be calculated according to the 24-hour timing method.