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变色花实验作文400字

2022-10-07 02:39:19三年级287

变色花实验作文400字

I like scientific test, often do me in the home very want to do to call “ to become angry beautiful ” . I did this test today, see this “ become angry how beautiful ” becomes angry.

我喜欢科学实验,经常在家里做我很想要做一个叫“变色花”。今天我就做了这个实验,看看这个“变色花”怎么来变色。

Above all, should prepare violet wild cabbage 10 grams, lemon juice beverage 1 bottle, washing powder 15 grams, glass 4, small ladle 1 (also can come with other article agitate) .

首先,要准备紫甘蓝10克,柠檬汁饮料1瓶,洗衣粉15克,玻璃杯4只,小勺子1个(也可以用其它物品来搅拌)。

After preparing data, can begin to do a test. Will dry flower puts glass, develop bubble 3 minutes with water, with small ladle agitate. At this moment my father lets me develop bubble with boiled water. I am very curious, ask: “ why? Impossible, can waste hot water! ”

准备好材料后,就可以开始做试验了。将干花放入玻璃杯,用水冲泡三分钟,用小勺子搅拌。这时我爸爸让我用开水冲泡。我很好奇,就问:“为什么呢?不可能的吧,会浪费热水!”

Father says: The meeting that “ discloses with color of hot water agitate is quicker. I tried ” , what as a result use hot water decomposes is very fast really, I am profuse in praise to father.

爸爸就说:“用热水搅拌颜色分解的会更快。”我试了一下,结果使用热水分解的真的很快快,我对爸爸赞不绝口。

Then, I put washing powder in a glass again, put tap water agitate even. Gave solution of a cup of washing powder with respect to such configuration; Join drink of lemon juice waiting for a quantity toward another glass again next, still received a cup of tap water that waits for a quantity.

接着,我又把洗衣粉放在一个玻璃杯里,放上自来水搅拌均匀。就这样配置出了一杯洗衣粉溶液;然后再往另一个玻璃杯倒入等量柠檬汁饮料,还接了一杯等量的自来水。

After all these gets ready, good bubble moisture doing a flower does not drip in beverage of washing powder solution, lemon juice and tap water, strange phenomenon appeared: Green became in washing powder cup, lemon became amaranth in beverage cup, became in tap water cup indigo.

这一切准备好后,就将泡好的干花水分别滴入洗衣粉溶液、柠檬汁饮料和自来水中,奇怪的现象出现了:洗衣粉杯子里变成了绿色,柠檬饮料杯子里变成了紫红色,自来水杯子里变成了紫蓝色。

The ability after I am taking doubt to opened a mobile phone to check knows, cyanine element is contained in violet wild cabbage, cyanine element encounters acidity material erubescent, encounter basic material to become green, encountering neuter is to show purple.

我带着疑问打开手机查了后才知道,紫甘蓝中含有花青素,花青素遇酸性物质变红,遇碱性物质变绿,遇中性是显紫色。

Ha, too magical! I should continue to explore on scientific way!

哈哈,太神奇了!我要在科学的道路上继续探索!(文/张可馨)

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