The three states of matter and gases
Answers are for parents and teachers.
1
Find five substances or objects at home for each state and write them in a table.
For example: solid – spoon, table, book; liquid – water, milk, oil; gas – air, natural gas, steam.
2
Pen, juice, wind: which state is each? State a property.
Pen – solid (fixed shape); juice – liquid (takes the container’s shape); wind – moving air, a gas.
3
Discuss gas safety with your family and write three rules.
For example: no flames if you smell gas; never leave a gas stove unattended; ventilate rooms and know the number 104.
4
Why is it dangerous to sleep in a closed room with a gas burner on?
Oxygen runs low and poisonous carbon monoxide can build up from incomplete burning.