Two Places: teacher key

How to Check If Something Is True, grade 2 edition, written for 2nd grade. A fact should be found in two good places. See how a fake skull fooled scientists, and how tests proved it wrong.

Read the book. Print this page for the key.

Questions and answers

1. How many places should a true fact be found in?
   • Only one
   • More than one (answer)
   • None
2. What did the 1912 skull turn out to be?
   • A fake (answer)
   • A dinosaur
   • A real early human
3. What is an opinion?
   • Something you can check
   • What a person thinks (answer)
   • A kind of bone
4. What held up the paper fairies?
   • Hat pins (answer)
   • Strings
   • Wires
5. Why does it matter that scientists were fooled?
   • Smart people can be fooled, so checking helps (answer)
   • Scientists never check
   • Skulls are fake

Words

• source: where facts start
• opinion: what someone thinks
• fake: not real