English Skills with Readings 7th Edition by John Langan

Exercise 5

This activity will sharpen your sense of the classifying process. In each of the ten groups, cross out the one item that has not been classified on the same basis as the other three. Also, indicate in the space provided the single principle of classification used for the remaining three items. Note the examples.
EXAMPLES
Water Household pests
a. Cold a. Mice
b. Lake b. Ants
c. Hot c. Roaches
d. Lukewarm d. Flies
Unifying principle: Unifying principle:
Temperature Insects
1. Eyes 6. Wallets
a. Blue a. Leather
b. Nearsighted b. Plastic
c. Brown c. Stolen
d. Hazel d. Fabric
Unifying principle: Unifying principle:
______________________ ______________________
2. Mattresses 7. Newspaper
a. Double a. Wrapping garbage
b. Twin b. Editorials
c. Queen c. Making paper planes
d. Firm d. Covering floor while painting
Unifying principle: Unifying principle:
______________________ ______________________
3. Zoo animals 8. Students
a. Flamingo a. First-year
b. Peacock b. Transfer
c. Polar bear c. Junior
d. Ostrich d. Sophomore
Unifying principle: Unifying principle:
______________________ ______________________
4. Vacation 9. Exercise
a. Summer a. Running
b. Holiday b. Swimming
c. Seashore c. Gymnastics
d. Weekend d. Fatigue
Unifying principle: Unifying principle:
______________________ ______________________
5. Books 10. Leftovers
a. Novels a. Cold chicken
b. Biographies b. Feed to dog
c. Boring c. Reheat
d. Short stories d. Use in a stew
Unifying principle: Unifying principle:
______________________ ______________________