From Wolf to Best Friend: teacher key

Dogs, grade 4 edition, written for 4th grade. Scientists do not agree on when or where dogs were first tamed. Read the ideas, the senses of a dog and how to meet one safely.

Read the book. Print this page for the key.

Questions and answers

1. What is one idea about how dogs began?
   • Dogs came from cats
   • Calmer wolves hung around people's camps (answer)
   • Dogs were born in boats
2. What did the Russian scientists breed?
   • The biggest wolves
   • The fastest dogs
   • The tamest foxes (answer)
3. How many dog breeds does the American Kennel Club recognize, as of November 2026?
   • 205 (answer)
   • 25
   • 105
4. What do dogs see mostly?
   • Reds and greens
   • Only black and white
   • Blues and yellows (answer)
5. Why do scientists keep asking how dogs began?
   • Dogs are rare
   • They do not agree on when or where dogs were first tamed (answer)
   • They found no wolves
6. What can a grown-up's okay let you do with a dog?
   • Let it sniff your closed hand (answer)
   • Take its toy
   • Wake it up

Words

• tamed: made gentle
• hertz: a sound unit
• receptors: smell sensors
• breeds: kinds of dog