Ask your kids if there was a physical or chemical change.
The answer:
When you mix glue with shaving cream to make puff paint, it’s like mixing together playdough and slime.
The glue is like the slime because it’s sticky, and the shaving cream is like playdough because it’s fluffy.
When you mix them, you get something new that is both sticky and fluffy, like sticky playdough!
But even though it’s mixed, the glue is still glue, and the shaving cream is still shaving cream.
They just look different when they are together. It’s like when you mix red and yellow playdough to make orange playdough. The red and yellow are still there, but now they look orange.
This is called a physical change, where things mix together but don’t turn into something completely different.
Take the learning further by creating a different puff paint and comparing the way the ingredients react.
Use:
- 2 Tablespoons self-rising flour
- 2 Tablespoons salt
- Acrylic paint
Compare various aspects like touch and feel. If you add vinegar or lemon juice to the leftover paints, ask the kid’s to form a hypothesis on what will happen.