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KOSHI High School

SLIME. ~PVA become gel~. I to K azuki O shima K aisei K imura S aki. KOSHI High School. Grade 2. What’s Slime?. ・ It’s made from PVA, borax and water. PVA. Borax. We changed the reactants . We made slime in a pH indicator. Experiment 1. We changed the reactants .

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KOSHI High School

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  1. SLIME ~PVA become gel~ Ito Kazuki Oshima Kaisei Kimura Saki KOSHI High School Grade 2

  2. What’s Slime? ・It’s made from PVA, borax and water. PVA Borax

  3. We changed the reactants • We made slime in a pH indicator.

  4. Experiment 1 We changed the reactants (1)We changed the concentration of PVA. (2)We changed the concentration of Borax.

  5. ★Result★

  6. Borax 4% Amount of water in slime • Concentration of PVA(%)

  7. Borax 4% • Concentration of PVA(%)

  8. Borax 2% Amount of water in slime • Concentration of PVA(%)

  9. Concentration of PVA(%)

  10. Borax 1% Amount of water in slime

  11. Borax 1%

  12. Experiment 2 We made slime in a pH indicator. (1) We made slime in phenolphthalein. Phenol- phthalein

  13. Phenolphthalein slime BTB slime

  14. ★BTB★ acid basic ☆phenolphthalein☆

  15. Subject from now on

  16. 1. We are going to consider how we can change the color of the slime.

  17. 2. • We would like toinvestigate more about the character, the structure, and the conditions of making the slime.

  18. Thank you for listening!!! Big love!

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