It's going to rain, what are the swallows flying, what are the small fish bored, and what are the small ants in a hurry?

It's going to rain. Swallows are flying very low. Small fish are so bored that they swim to the surface. Little ants are anxious to move things. It's going to rain, the second volume of the first grade of People's Education Publishing House.

This article is an interesting popular science fairy tale. The full text ***9 natural paragraphs, mainly from the three phenomena of "swallows flying low, fish swimming on the water and ants moving", tells the activity characteristics of some small animals before rain and the reasons for these phenomena. ?

According to the content, the text is accompanied by corresponding illustrations. Students can find and read the story by matching pictures and texts, and know that they can understand the weather changes by observing some wonderful phenomena in nature. This is a fairy tale of knowledge, which is about meteorological common sense in life. Teachers can arrange students to observe the weather and phenology before the rain before class and make records. Advocate students to learn in life.

Extended information:

Swallows fly low and it will rain

When it is about to rain, the weather is sultry, and some small flying insects in the sky fly very low with their wings stained with small water droplets in the air. Swallows fly very low in order to prey on these small flying insects. In addition, when it is about to rain, the airflow in the air is turbulent, and the swallows are always flying up and down and up and down. So, when people see swallows flying low, they know it's going to rain.