根据“There is a new train that uses powerful magnets to travel more quickly...Besides, in medicine, the powerful magnet is used to help patients...The powerful magnet can also be seen in many fields”可知,磁铁广泛应用于火车、医疗、太空、工业以及教育等多个行业,因此非常有影响力。故选A。
This needl e tells _w5 th e north and th e south are.So peopl e can e_ 6find th e right direction.Today, magnets ar e everywher e in our life. Ther e ar e som e trains which ar e mad e with magnets. Thes e trains hav e very p _magnets underneath them. And thes e ...
How Can Magnets Move Things Without Touching Them?
They're certainly a lot of fun to play with, but a set of neodymium magnets can leave you scratching your head. What can you do with them, other than stick things to your refrigerator? The truth is that magnets have a huge application in our daily lives. Much of our technology depends...
With gorgeous coasts and amazing underwater worlds, the Maldives is a natural playground for kids of all ages. Here are the best things to do as a family.
The earth's magnetic field plays an important role in our safety. If it did not exist, the sunshine would easily burn us.Magnets can attract certain kinds of metals to them.Perhaps you have some papers stuck to your fridge with a magnet.Perhaps you've seen a compass. The simple tool ...
But it will not pull other things,such as a wooden pencil or a plastic toy, which means it does not attract all.Magnets have two poles(磁极)North pole- -North pole North pole--South pole You have shown magnets can pull some things to them. Why is this true? The two ends of a ...
Answer 1:Yeah, I dohave a collection ofsomething. For example, in junior high, Iwas obsessed withBackstreet Boys, a hugely popular boy band. Back then, I hunted from one store to another for their posters and albums. In fact, I still keep them, though I no longerindulge insuch idol ...
2. Gravity: It's what keeps us grounded on Earth and makes things fall when we drop them. 重力:它让我们在地球上稳稳地立足,也使物体在我们扔下时掉下来。 3. Magnetism: Certain objects, like magnets, have the power to attract or repel other objects. ...
Ideas for things to make and sell with clay or clay alternatives include: planters, sculptures, ornaments, jewelry, magnets, containers, and coasters. Have a future entrepreneur in your family? Safe clay alternatives can be the basis for many business ideas for kids. 13. Pet supplies Burst ...