What do you mean by speculation? Contact the process of amber formation

Question: What does "speculation" mean? Contact amber formation process "analysis is as follows:

This is an after-school exercise in the fifth lesson of the fourth grade Chinese textbook Amber. The complete question is as follows:

What do you mean by speculation? In connection with the formation process of amber, what is the basis of speculation?

The midday sun shines mercilessly on the whole forest. Many old pine trees ooze thick turpentine and shine golden in the sun.

A big drop of turpentine dripped from the tree and landed on the trunk, wrapping the fly and spider together.

A: "Speculation" means imagining what you don't know based on what you already know. The first speculation is based on the fact that old pine trees can ooze resin only in summer when the weather is very hot. The second theory is based on the fact that when the spider was ready to pounce on the fly, a big drop of turpentine just dripped down, forming amber to wrap the fly and spider.

The general idea of amber segmentation

The first part (1 natural section): It is about calculating time from the appearance of amber.

The second part (2- 13 natural section) is about the formation process of amber.

The third part (14- 17 natural section) tells that amber was found by the fisherman's son on the beach.

The fourth part (18 natural section): Talking about the appearance and scientific value of amber.