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Book 27, Question 133 · Video

How do salt, sugar, and Epsom crystals compare?

Video · 1:54 · Crafty Clover explains, from A Million Whys Book 27

Under a magnifier, they look different. Table salt forms tiny cubes. Sugar makes slanted, glassy blocks with pointed ends. Epsom salt grows long needles or thin prisms. These shapes come from the way each substance's particles fit together in its lattice. Comparing crystals from different materials is a classic way scientists identify unknown substances.

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What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. How do salt, sugar, and Epsom crystals compare?

The Big Idea

Salt, sugar, and Epsom salt all make crystals. But they look very different! Let's compare them.

Three Shapes

Step one: Three Shapes. Under a magnifier, table salt forms tiny cubes, and sugar makes slanted, glassy blocks with pointed ends. Epsom salt grows long needles or thin prisms.

The Lattice

Step two: The Lattice. These shapes come from the way each substance's particles fit together in its lattice. Each lattice is different.

Identifying

Step three: Identifying. Comparing crystals from different materials is a classic way scientists identify unknown substances. Shape is a powerful clue.

A Closer Look

Let's take a closer look! Tiny cubes. Slanted blocks. Long needles. See them all.

Quick Facts

Quick facts! Each substance has its own signature crystal shape. Salt makes cubes. Sugar makes blocks. Epsom makes needles.

Think Like a Scientist

Now, think like a scientist! Make a chart with three columns. Draw a salt crystal in one. Draw a sugar crystal in another. Draw an Epsom crystal in the last. Add a few describing words.

Outro

Salt forms tiny cubes, sugar makes slanted glassy blocks, and Epsom salt grows long needles. These shapes come from how each substance's particles fit in its lattice, so scientists use shape to identify substances. Each crystal has its own shape. Science is amazing! Remember, every big discovery starts with a small question. Keep looking, keep learning, and keep asking why! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

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