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
- BWater vapour
- CSea salt crystals
- 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?
Lightning is a giant spark of electricity in the sky. Thunder is the sound made when lightning heats the air very quickly. What makes the sound of thunder?
Seahorses are unusual fish. The female lays her eggs in a pouch on the male’s belly, and the male carries them until they hatch. Which seahorse carries the eggs until they hatch?
Mount Everest grows about 4 millimetres taller every year. This happens because the Indian plate is slowly pushing against the Eurasian plate, forcing the land upward. What causes Mount Everest to grow?
“The new teacher wrote her name on the board, smiled and said, ‘Let’s start by learning one interesting fact about each of you.’” What can you infer about the teacher’s goal?
A patient reads: “Take this medicine on an empty stomach, one hour before breakfast.” She usually eats breakfast at 8 a.m. When should she take the medicine?
Clinic hours: “Mon–Thu 8 a.m.–8 p.m.; Fri 8 a.m.–5 p.m.; Sat 9 a.m.–noon; Sun closed. Walk-in patients are seen until one hour before closing.” What is the latest time a walk-in patient can be seen on a Friday?
Passage 1: “School uniforms reduce bullying because no one is teased about clothes.” Passage 2: “School uniforms limit students’ ability to express who they are.” What is the main difference between the two passages?
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