2018/10/30（Tue）に世界15ヶ国で人気の動画『33 PRICELESS HACKS FOR PARENTS』を紹介します。
33 PRICELESS HACKS FOR PARENTS
Oil and water just don’t mix but they do provide for some amazing hands-on science!
There’s something very important about oil and water that you probably already know: oil doesn’t mix with water! That explains why oil spills on the ocean float on the surface and why throwing water on a grease fire is just going to make everything worse. Since you realize that oil and water don’t mix and never will (without some chemical help), let’s have some fun with how they repel each other!
NOTE: Before you do this, make sure you’re working in the large tub. This effect is dramatic but the science you demonstrate can get lost in the mess you’ll be making!
Set one of the identical containers in the tub. Fill the container to the brim with vegetable oil.
In an identical second container also in the tub, add several drops of food coloring. The color choice is completely up to you.
Fill the container to the brim with water.
Set the playing card over the mouth of the container filled with veget