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Chemistry Set for 4 Year Old ; Plaster Model

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Sample Price (Free Shipping)
999 $
100- 999 Pieces (Shipping not included)
999 $
>=1000 Pieces (Shipping not included)
999 $
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Chemistry Set for 4 Year Old ; Plaster Model

Are there any Chemistry Set for 4 Year Old ? Yes. The  simple Chemistry set is a basic chemistry kit for kids.

This kit is perfect for kid’s STEM education. It’s suitable for schools, learning centers and education companies for business. Children must do it by teachers or parents.

All of the kits for wholesales or OEM/ODM orders and we don’t do retails.

Safety Warnings
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years.

Learning Plan

Experiment goal:
1. A preliminary understanding of plaster and its changing characteristics
2. Understand the role of gypsum in life
3. Stimulate children’s curiosity, shape the spirit of scientific exploration, and exercise preliminary observation and practical skills.
Mixing ratio of gypsum and water
Develop enough patience and wait for the plaster to form

Activity preparation materials
Gypsum powder
plastic cup
Stirring rod


Activity procedure:
1. Pour gypsum powder into the plastic cup.
2. According to the ratio of water: gypsum, it is adjusted according to 1:3. And use a stirring rod to stir and shape.
3. Pour the gypsum slurry into the mold and fill the mold
4. Take out the plaster model after setting

Activity explanation
1. The solidification of gypsum powder in water is a chemical reaction
2. The gypsum molecules recombine into dihydrate gypsum and release heat. Approximately 20% of the water enters the core molecule, and the excess water evaporates, leaving gaps to form small pores. The total volume increases, the expansion rate is 0.5%-1%
3. The characteristic of plaster is commonly used to make various plaster models, and it is also commonly used to fix fracture positions in medicine.

1. Exploring what other functions does plaster have?
2. What else is similar to plaster?

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2701 South Block Lemo Building No.18 Ping An Street Shijiazhuang Hebei China

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