A Day of Gas: teacher key

Burps and Farts, grade 2 edition, written for 2nd grade. Follow gas through a day. Learn why bodies make it, when it smells, and what can make more.

Read the book. Print this page for the key.

Questions and answers

What can make you swallow more air?
- Sitting still
- Talking while you eat (answer)
- Looking out a window
Where do the helpful bacteria live?
- In your large intestine (answer)
- In your shoes
- In your ears
What is lactose?
- A kind of bean
- The sugar in milk (answer)
- A gas with no smell
What part of a fart is stinky?
- The gases with sulfur (answer)
- The gases with no smell
- The sound
About how many times a day do most people pass gas, at the most?
- 2
- 20 (answer)
- 200
Why might cheese give someone extra gas?
- It has bubbles
- It is cold
- Their body has trouble with lactose (answer)