Question

Используя ручную лупу рассмотрите с другом сахарный песок соль муку мел.обсудите что что вы увидели.сделайте вывод.

Answer 1

Соль и сахар выглядят, как кристаллы, они схожи по своему строению
мел и мука тоже схожи по их типу
как на ощупь, так и по внешнему виду можно без труда различить те же мел и сахар

Answer 2

Маленькие кристаллики

Answer 3

Observations Using a Hand Lens

When examining sugar, salt, flour, chalk, and sand using a hand lens, several observations can be made:

1. Sugar: - Sugar appears as fine, translucent crystals under the hand lens. - It has a uniform, granulated texture.

2. Salt: - Salt also appears as small, translucent crystals. - The crystals are generally larger than those of sugar and have a more irregular shape.

3. Flour: - Flour consists of very fine particles that appear powdery under the hand lens. - The particles are not uniform in size and shape, giving it a more "dusty" appearance.

4. Chalk: - Chalk appears as a powdery substance under the hand lens. - It is composed of very fine particles and lacks the crystalline structure seen in sugar and salt.

5. Sand: - Sand consists of larger, more irregular particles compared to the other substances. - The particles are gritty and have a more varied appearance.

Conclusion

Upon examining these substances, it is evident that each substance has distinct characteristics when observed through a hand lens. Sugar and salt both exhibit crystalline structures, but salt crystals are larger and more irregular. Flour and chalk, on the other hand, appear as fine powders, with chalk lacking the crystalline structure seen in sugar and salt. Sand, with its larger and more irregular particles, stands out as a distinct substance compared to the others. These observations highlight the diverse physical properties of these common substances, showcasing their unique textures and structures.