Trivia quiz with useful tips to know: fun facts that come in handy at school or at home [for kids]

To allow air to pass through when swallowed by mistake

Did you know that pen caps have holes in them? Those holes actually serve an important purpose. Pen caps are small, and children—especially those who aren’t yet aware of dangers—may accidentally swallow them. In such cases, the hole allows air to pass through more easily, helping to prevent choking.

sugar

Grease stains on your hands don’t come off with just water, and even with soap it can feel like they’re not really gone, right? That’s when sugar comes in handy! Wet your hands and rub sugar onto the greasy areas. A concentrated sugar solution forms, and along with the physical friction, it helps remove the grease.

Rub the battery to warm it up.

Rubbing a dead battery with your palm or a cloth to warm it up can activate the internal chemical reactions and sometimes restore a small amount of power. However, it will not fully recover. This is only a temporary measure, so replace the battery with a new one as soon as possible.

sugar

Children love soap bubbles. You want to enjoy them for a long time, but they often pop quickly, which can be disappointing. That’s when sugar comes in handy! If you add sugar to the bubble solution, the film becomes stronger and less likely to pop. Glycerin can be used as a substitute.

30 centimeters

The ideal distance between your smartphone and your face is about 30 centimeters (around 12 inches). While smartphones can provide enjoyable time with videos and games, they also come with drawbacks such as eye strain and potential vision deterioration. Take this opportunity to be mindful of the distance when you use your phone.

20 seconds or more

To wash your hands thoroughly, it’s important to use soap and scrub for at least 20 seconds. If you wash for a shorter time, germs may remain. It’s also important to rinse well with water to make sure nothing is left behind. When infectious diseases are going around, be especially mindful about washing your hands.

lick the upper lip

When you yawn during class, you can’t help but feel sorry toward the teacher, right? So let’s remember a way to stop yawning! It’s said that if you lick your upper lip with a quick swipe when you feel a yawn coming on, it will stop. It sounds a bit strange, but it really works—give it a try.