After lunch, Song Shiwei began to process the seawater he brought back.
I used the firewood I picked up to heat the earthen pot.
Zhou Wei and Zhou Xinxin stood aside and watched curiously.
They found it very strange.
“Why boil seawater?”
Song Shi smiled and said, "Because my mother can perform magic, I want to turn the sea water into snow-white salt!"
Zhou Wei's eyes widened immediately: "How is this possible? How can seawater turn into salt?"
Even Zhou Lin and Zhou Chengdu couldn't help but come over to take a look.
Obviously he looked in disbelief.
Song Shiwei didn't explain, just told them to wait and see.
The fire in the stove was burning brightly, and the sea water in the pot was bubbling and steaming.
This is much more powerful than a coal stove. If you stew a chicken in a clay pot and put a pancake on it, it would be really delicious.
About half an hour later, Zhou Wei saw that the sea water in the pot became more and more turbid, and a lot of white substances precipitated around the edge of the pot.
He couldn't help but shout, "I see salt!"
Several children came over to take a look.
Song Shi smiled and said, "This isn't salt yet. It's calcium sulfate. These things are insoluble in water, and to make salt, several steps are required!"
The salt water is almost cooked at this time, only about one tenth is left.
She scooped out the sea water and poured it into a bucket and a large basin, but she used toilet paper and gauze to filter it.
While filtering, children are taught physics knowledge, such as the evaporation of water and the precipitation of salt crystals.
The filtered water is highly concentrated salt water, which may crystallize if left there.
Continue to pour into the pot and simmer over high heat.
After about half an hour, it became like rice paste, and Song Shiwei poured it out and filtered it again.
Several children were shocked.
“I didn’t realize there was actually salt in the sea water!”
Zhou Lin curled his lips: "No wonder I accidentally took a sip last time and it was bitter, astringent and salty. It turns out there is so much salt in it!"
Song Shiwei did not pour out the water he filtered this time.
Because this water is brine, it can be used to make tofu.
I just happened to have some soybeans that Zhou Tingyue bought at home. I can borrow the millstone from the aunt next door to grind some soy milk and some tofu.
The gauze was already filled with sea salt, but it was still wet, so she put it back into the pot and fried it until dry.
It turns into snow-white salt.
Zhou Xinxin clapped excitedly.
"Yay!! We made salt from seawater!!"
Zhou Cheng and Zhou Lin were also extremely surprised, as if the door to a new world had been opened.
Is this how salt comes from?
Zhou Wei pointed at the small basin of salt and said in surprise, "Do we not have to buy salt anymore?"
Song Shiwei smiled and shook his head.
"No, the salt I made is not edible yet because it contains a lot of impurities and trace elements. Eating too much is bad for your health! We still have to buy salt!"
Now Zhou Lin was confused.
"If we can't eat it, why do we make this salt?"
Song Shiwei found a jar and put the salt in it, looked at the sky outside, and smiled with her eyes curved.
"You'll know soon!"
"Now, Zhou Cheng and Zhou Lin, hold on to the buckets. I'll take you guys to get some good food!"
Perhaps because they had seen so many different things with her, none of the children had any objections.
Zhou Cheng and Zhou Lin obediently picked up the buckets and followed.
Zhou Wei and Zhou Xinxin were extremely happy.
"Yeah! That's great, there's something delicious again!"
Song Shiwei found a coal fire tongs, two pairs of woolen gloves, and a small shovel.
So I set off with the children.
By the time they passed the sentry post and reached the beach, the tide was almost ebbing.
At this time, many nearby villagers have come to catch seafood.
Song Shiwei glanced at the shallows which were full of small holes, which were spewing water out from time to time.
But no one dug!
She had just started digging with the shovel when a passing villager couldn't help but advise her: "Little girl, this thing is not easy to dig. It ran away while you were digging. It's a waste of effort! You might as well try your luck up ahead and see if you can catch some shrimp and crabs!"
Song Shi smiled and nodded: "Thank you for the reminder, old man. I still want to dig this!"
Seeing that he couldn't persuade her, the man was about to shake his head helplessly and leave when he saw her take out a jar from her bosom and pinch out a handful of white stuff from it.
Upon closer inspection, it turned out to be salt!
The man immediately looked at her as if she were a fool.
This little girl looks quite smart, why is she so stupid when doing things?
How precious is this salt? Sprinkle it here.
Zhou Cheng also frowned.
She spent so much effort making salt, and she just casually scattered it on the ground? ? Is she okay?
There were also several villagers passing by with the same expression, but what they didn't expect was.
A stream of water spurted out of the small eye with a "Puff!", and then a soft thing like a pig's nose popped out from it. Then, before anyone could blink, a big clam as thick as a finger suddenly jumped out from it!
It scared everyone!
Song Shiwei happily grabbed it and threw it into the bucket Zhou Cheng was holding.
Everyone was stunned!!
Isn’t this amazing?
How did she do it?
Are the clams stupid? Or are they stupid?
Song Shiwei didn't care about the expressions of those people. She wanted to catch as many as possible while the tide was receding.
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