1. main idea The main idea of a paragraph is supported by details!

2. Main Idea detail

6. A The first hot-air balloon was made by papermakers. They got the idea when they saw ashes rising from a fire. They turned paper bags upside-down over the fire. Just as they had hoped, the bags filled with hot air and floated up. Soon they tried bigger bags made out of paper and then cloth. Finally in 1783 people took their first ride in a hot-air balloon. The age of flight had begun! The story mainly tells A. how the hot-air balloon was invented B. how paper bags floated up C. why ashes rise over a hot fire D. how hot-air balloons are made Townsend, Donna.1998. Comprehension Grade 5. Steck-Vaughn Company.

7. The funny bone got its name as the result of a funny mix-up. There is a bone that goes from your shoulder to your elbow. The scientific name for this bone is humerus. If you drop the e and add two o’s, the word becomes humorous, which means funny. Somehow someone got the two words confused. The story mainly tells A. which bone is found in your arm B. how the funny bone got its name C. why the bone hurts when you bump it D. where a nerve runs B Townsend, Donna.1998. Comprehension Grade 5. Steck-Vaughn Company.

8. How old is old? Some insects live only a few hours. But some sea turtles live for hundreds of years. What if an insect and a turtle were born at the same instant? The insect would be old after an hour, but the turtle would still be just a baby. A person born at the same time would be old when the turtle was middle-aged. The story mainly tells A. how the meaning of old depends on the creature B. how long turtles live before they are old C. which insects live a few hours D. how long people live A Townsend, Donna.1998. Comprehension Grade 5. Steck-Vaughn Company.

9. If you like surfing, sailing, or other water sports, watch out! You could get surfer’s ear. With this problem you become hard of hearing or even deaf. The cold water and wind make your ear grow shut. It’s easy to prevent the problem. Just wear ear plugs. The story mainly tells A. how water sports can cause an ear problem B. how your ears can change shape C. how you can close your ears D. what cold-weather surfing is like. A Townsend, Donna.1998. Comprehension Grade 5. Steck-Vaughn Company.

10. Electronic watches don’t have springs and gears. Instead they have small batteries, tiny pieces of quartz, and special computers. Of course, the computers are not the kind you can use to play a video game. They only measure how electricity moves through the quartz. The story mainly tells A. how different computers measure electricity B. how an electronic watch works C. how computers help write reports D. how to lose a minute a year B