科学研究课题用“摩易擦”笔在纸上写字,再用它末端自带的透明橡皮一擦,字就不见了,没有留下任何痕迹。这是为什么呢?研究过程与心得通过反复实验和查阅资料,我发现“摩易擦”笔的墨水是热消失墨水,通过任何一种加热方式,即可将墨水字迹消除。“摩易擦”笔杆自带的硅胶头,是以摩擦生热的原理将笔迹擦除的。我们在学习和生活中要多留心观察,善于发现,认真 Scientific research topics with “rub rub ” pen on the paper to write, and then use its end of the transparent rubber eraser, the word disappeared, did not leave any traces. This is why? Research process and experience Through repeated experiments and access to information, I found “Rub rub ” pen comes with silicone head, is based on the principle of friction heat will handwriting erased. We should pay more attention to study and life, be good at discovering and earnestly