Where the Snot Goes: teacher key

Boogers and Snot, grade 2 edition, written for 2nd grade. Follow a drop of snot on its trip from the nose to the stomach. See how tiny hairs, mucus and stomach acid keep you well.

Read the book. Print this page for the key.

Questions and answers

1. What do cilia do?
   • Make pollen
   • Sweep snot toward the throat (answer)
   • Wash hands
2. What happens to mucus when we swallow it?
   • It meets stomach acid (answer)
   • It turns into pollen
   • It goes back up the nose
3. What is a booger?
   • A kind of cilia
   • Dry snot with dust in it (answer)
   • A tissue
4. Why does the nose make snot?
   • To catch dust and germs (answer)
   • To make hair grow
   • To keep hands clean
5. What does the word cilia mean here?
   • Tiny hairs (answer)
   • Stomach acid
   • A kind of dust

Words

• mucus: nose slime
• cilia: tiny hairs
• pollen: flower dust
• tissue: nose wipe paper
• nostrils: nose holes