Ice melts when it is heated, turning into liquid water. If the water is heated more, it boils and turns into a gas called water vapour. What does water turn into when it boils?
- AIce
- BSea salt crystals
- CWater vapour
- DLiquid oil
Ice melts when it is heated, turning into liquid water. If the water is heated more, it boils and turns into a gas called water vapour. What does water turn into when it boils?
Wool comes from sheep. Once a year, farmers shear the sheep, cutting off their thick coats. The wool is then cleaned, spun into yarn and used to make clothes. What happens to the wool right after it is cut off?
Nina had a sore throat and a runny nose. She stayed home from work, drank warm tea and rested on the sofa all day. What did Nina do because she was ill?
“Smoking harms almost every organ in the body. It raises the risk of lung cancer, heart disease and stroke. Quitting at any age brings health benefits.” What is the author’s main message?
“Some people say that cats are unfriendly. My cat, Pepper, waits by the door every evening and sits on my lap while I read.” How does the writer use Pepper?
“The lungs contain millions of tiny air sacs called alveoli. Here, oxygen passes into the blood, and carbon dioxide passes out to be breathed away.” What happens in the alveoli?
The author writes: “Studies show that people who drink water before meals eat slightly fewer calories. Therefore, drinking water is the only thing you need to lose weight.” Why is the conclusion not supported?
The author writes: “Opponents claim the new hospital will cost too much. But they ignore that the nearest emergency room is 60 kilometres away, and every minute counts in a heart attack.” What is the author’s tone toward the opponents?
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