124 popular science knowledge Come check on your child! 1. Why do you see lightning first and then hear thunder? (light waves travel faster than sound in air) 2. Who became China's first Olympic champion? (Xu Haifeng) 3. Who are ...
Read moreAs country attaches great importance to science and technology and constantly increases investment in various scientific research, demand for scientific and technological talents is also great. Influencing level of education, sch...
Read more50 little scientific knowledge1. Rabbits communicate by patting ground with their feet. Most ground-slapping rabbits are male rabbits, which is a way of expressing their emotions to female rabbits. 2. The largest monkey in world ...
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October 21, 2023
Pay attention to children's art and tech education, follow me HandyKid. We will present interesting science experiments, handmade ideas, etc. that children will love, and will work with you to give children best family education! ...
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October 20, 2023
1. It is a mechanical device called Cubli that can stand steadily on top or edge without relying on a support. The secret is that it has a high-speed rotating flywheel on each of its three sides. This is actually a high quality gy...
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October 19, 2023
The use of sound in everyday life. Sound is one of main ways a person receives information, and sound conveys to us not only linguistic information. Below are some applications and principles of sound in other aspects. 1. Discus...
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October 18, 2023
The most important side effects of statins are damage to liver and striated muscles. 2. The “earliest” ECG change after a myocardial infarction is that T wave in corresponding lead becomes taller and sharper. 3. Myoglobin is ...
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October 17, 2023
Parents and mothers, please do not stay on road to accompany your children. Take some time, family is happy, and follow HandyKid to play whimsical science with most common eggs. Through these parent-child activities, you can build...
Read moreAt height of summer, heat rolls in and light is bright, so sun protection has become a daily mandatory course for many. However, sunscreens are not just applied, and higher sun protection factor, better. Not only will choosing wr...
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October 15, 2023
1. To use 1 degree of natural gas, it is necessary to emit carbon dioxide (C) kg into atmosphere. A.0.5 B.0.6 C.0.19D.0.8 2. Do you know which of following is not a low carb diet? (A) A. Try to drink tea bags B. Make more drinks ...
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