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Science & Nature
Colour Changes and Cabbage Juice- A pH Adventure for Young Scientists
In this one-time class, students will learn about pH and acid and alkaline substances in a fun, interactive way
Ilaria Catizone MSc
9 total reviews for this teacher
2 reviews for this class
Completed by 3 learners
There are no upcoming classes.
learners per class
How does a "One-Time" class work?
Meets once at a scheduled time
Live video chat, recorded and monitored for safety and quality
Great for exploring new interests and different styles of teachers
How Outschool Works
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The class will start with introductions and listening to what the students may already know about acids and bases. Students may already know that lemon juice is an acid for example. We will introduce the terms acid, acidity, alkaline, alkalinity and base. We will talk about some well known acids and bases and why they are important in our lives. We will discuss how acids and bases are measured (pH scale) and what a pH indicator is. We will formulate hypothesis on whether everyday kitchen...
By the end of the class students will have learned how acidic or alkaline some household substances are. They will know what a pH scale and an indicator are and will have practiced formulating and testing hypothesis.
I am a science communicator of 20 years with experience teaching science concepts to children and performing experiments for demonstration purposes.
Students are welcome to just watch me perform the experiment. If they want to participate they will need the following: 1. Cabbage juice- to make it, purchase a RED cabbage (this is called red cabbage but it is actually a purple vegetable), cut into pieces and blend it with a little water. then strain the mixture to obtain a liquid that is deep purple in colour. Store in the fridge for up to 4 days or freeze. 2. A variety of common household items you would like to know if they are acids or bases- good choices may be lemon juice, bicarbonate of soda, soap, milk, water, other vegetable or fruit juices. Clear or near clear liquids work best. 3. One clear cup or glass for each of the substances you choose in step 2 4. Small pieces of paper and tape or sticky notes for labelling your cups 5. A pen
45 minutes per week in class, and maybe some time outside of class.
If children are doing the experiment with me, an adult should be nearby to help them with sourcing materials and pouring.
Ilaria Catizone MSc
Science educator, homeschool mum, kind farmer
🇦🇺Lives in Australia
9 total reviews
9 completed classes
Hi there, Thanks for stopping by. I grew up in Italy, went to high school in Singapore, then back to Italy where I obtained my Bachelor of Science in Agricultural Science. Soon after completing that, I flew off to Australia for a four months work...