A label on a bottle of cough syrup reads: “Adults and children 12 years and over: 10 mL every 4 hours. Do not take more than 6 doses in 24 hours. Children under 12: ask a doctor.” What is the largest number of doses an adult may take in 24 hours?
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?
“Please do not feed the ducks bread,” says a sign by the pond. “Bread can make them ill. Use the duck food sold at the kiosk instead.” What does the sign suggest instead of bread?
“The library will close early on Friday for staff training. Books due on Friday may be returned on Saturday without a late fee.” What can a library user conclude?
Some birds, such as Arctic terns, migrate thousands of kilometres every year. Scientists think birds find their way using the sun, the stars and Earth’s magnetic field. Which word best describes the scientists’ explanation?
“Sound travels as vibrations. It moves faster through water than through air, and faster still through solids such as steel.” Through which material does sound travel fastest, according to the passage?
“Ten patients tried a new sleep app. Eight said they slept better. The app company now claims: ‘Proven to cure insomnia!’” Why is the claim not justified?
“The Smiths used 300 kWh of electricity in June. After installing solar panels in July, their bill showed 180 kWh used from the grid in July.” By what percentage did their use of grid electricity fall?
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