Daily review
True or false
1, A bacteria is a microorganism
2, All diseases can be spread
3, Antibiotics only kill bacteria
4, Vaccinations can prevent you dying from some diseases
Acids and alkalis
Learning aim:
Recognise if a substance is acid or alkali using the pH scale
Learning goals:
Describe how to test for acid and alkalis
Describe how to use the pH scale to identify acid and alkalis
Acids and alkali
Substances can be either acid, alkali or neutral
We can test a substance to see which one of these it is
How to test a substance
To test a substance we can use universal indicator
Ph scale
We can use a ph scale to check what our substance is
Is it an acid or alkali?
Will these be acid or alkali?
https://phet.colorado.edu/en/simulations/ph-scalebasics