Friday 30 July 2021

Acid and base

 Acids And Base.


  • What is ph?

Ph is the measurement of how acidic and base water is

  • How do you measure  ph?

The pH value can be measured using electrochemical measuring systems, litmus paper, or indicators and colorimeters.

  • What is the scale pH is measured on?

pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base

  • What ph level does water have is water acidic?

Neutral

  • What is the most acidic ph level?

0 is the most acidic level

  • What is the most basic ph level?

14 is the most alkaline level.

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If there is more hydrogen ion it is acidic, and if there is more hydroxyl ions it means it is alkaline. 6 is the weakest acid and 8 is the weakest alkaline. Hydrochloric acid is the acid that helps digest the food you eat.

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Aim or purpose: Test the pH levels in different household products

  • Well plate 

  • pH strips

  • pH chart

  • dropper

  • baking soda

  • distilled water

  •  window cleaner

  • toilet bowl cleaner

  • lemon juice

  • milk

  • orange juice 

  • apple juice

  • vinegar

  • tea/coffee

Thursday 8 July 2021

Matariki

 LI: To strengthen our connections to Matariki

Matariki is the Maori new year celebration. It takes places each year when the cluster of stars known as Matariki are seen in our skies. The new year is a time for new beginnings and is a time to embrace tradition.

I enjoy this because it was a fun task to do and we learn about Matariki.