Acidic, neutral and alkaline
Answers are for parents and teachers.
1
Draw a table of three kitchen liquids and write acidic, neutral or alkaline for each.
Answers differ, for example lemon juice acidic, soapy water alkaline, sugar water neutral.
2
Write two safety rules for testing liquids at home.
For example: goggles and a grown-up; never taste or mix liquids.
3
Explain in one sentence how to find out whether a solid was dissolved in a liquid.
Let the liquid evaporate; a dissolved solid stays behind.
4
Draw the steps of the salt crystals test as four boxes with arrows.
Salt water in a dish, Sun warms it, water evaporates, white crystals stay.
5
Ask a family member which liquids at home they use for cooking and which for cleaning.
Answers differ; cooking liquids often acidic like lemon, cleaning ones often alkaline like soapy water.