A thermometer label says: “Clean the tip with alcohol before and after each use.” When should the tip be cleaned?
- AOnly after each use
- BOnly once a week
- CBefore and after each use
- DOnly when it looks dirty
A thermometer label says: “Clean the tip with alcohol before and after each use.” When should the tip be cleaned?
When a hedgehog is frightened, it rolls into a tight ball. Its sharp spines then stick out in all directions, protecting its soft belly. What does a hedgehog do when it is frightened?
The first step in treating a minor burn is to cool it under cool running water for about 20 minutes. Do not use ice, which can damage the skin further. What should you NOT use on a minor burn?
“Some people think that only children need vaccines. In fact, adults also need some vaccines, such as boosters for tetanus and a yearly flu vaccine.” What is the main point?
Lions live in groups called prides, and the females do most of the hunting together. Tigers usually live and hunt alone. How are lions and tigers different, according to the passage?
“Every morning, Mr. Patel opened his bakery at 5 a.m. By 7 a.m., a line of customers stretched down the street.” What can you infer about the bakery?
“The scientist repeated the experiment five times in different labs and always got the same result.” Why does this strengthen the scientist’s findings?
“Only 30 minutes after taking the new pill, I felt better,” said one customer in an advertisement. “It must be the best headache pill ever made.” Why is this weak evidence that the pill works?
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