Elephant's Toothpaste - chemical reactions, changes - fully resourced lesson

Fully resourced 2-hour lesson on Elephant’s Toothpaste.

A lovely chemical reaction lesson for all ages using everyday things. Presentation and worksheets included in the package alongside all answer sheets, risk assessment and lesson plan.

This lesson is a great way to both introduce the idea of chemical reactions and to wow your class with a fun and engaging activity. I have tested this with my own class and you can find pictures of the activity in the preview.

All you need is:

2 x 500ml bottles
yeast
warm water
food coloring (colouring)
liquid dish soap (washing-up liquid)
3% and 6% hydrogen peroxide
funnel