Observation
Using salt!?Let’s Draw Sparkling Pictures!
In this "Let’s Look" section, we will learn about salt. What kind of secrets does salt have? Let's explore the mysteries of salt with Kahaku Expert.
What You’ll Learn in “Let's Look”
- What shape is salt?
- What size is salt?
Today’s theme is salt!
That salty stuff in the kitchen?
Exactly! Many people know salt is used in cooking and that it tastes salty. Have you ever put some in your hand and felt it?
Maybe not...
Salt feels rough and grainy. If you look closely, each grain is a tiny little crystal.
Interesting.
So, do you know what shape salt grains are?
They're round, right?
Nope, that's not right. They are not round. Here's a hint: when you touch salt, it feels rough and grainy.
What could it be? Maybe spiky?
Close!
But if you look really closely, each grain of salt is actually square-shaped.。
But if you look really closely, each grain of salt is actually square-shaped.。
Wow, really!
Each tiny grain is called a "crystal."
You can see crystals in things you have at home.
You can see crystals in things you have at home.
Wow, what can I use to see them?
A magnifying glass, a smartphone, or a tablet.
I want to see!
If you have any of these at home, you can actually observe salt crystals. Make sure to look together with your family.
*Depending on the type of salt, you might not see them well. Regular table salt is recommended.
Okay!
This is what salt "crystals" look like!
*This photo was taken with a smartphone.
Wow, they're really square!
Each grain is square-shaped and has "corners," which is why salt feels rough when you touch it.
So the shape of the grains relates to how they feel!。
Amazing! That's right!
But can't I see them without any tools?
If you want, how about making your own salt crystals big enough to see with your eyes?
A giant crystal!? I want to make one!
But before that, let's do a little "Let's Think!" first!
What You Learned in "Let's Look"
- Salt is made up of tiny grains.
- These grains are called "salt crystals."
- Salt grains are square-shaped.