1) Which type of clock cannot be used as an alarm clock? a) candle clock b) grandfather clock c) digital clock d) shadow clock 2) Which kind of electric clock uses a row of numbers to tell the time? a) a shadow clock b) a digital clock c) a water clock d) a candle clock 3) How are all the clocks in the book alike? a) They use shadow b) They show the hours c) They use batteries d) They are round 4) If you were stranded on a desert island, which would be the easiest clock to build? a) a grandfather clock b) digital clock c) cuckoo clock d) shadow clock 5) What is the main idea of the book? a) There are many ways to tell the time. b) A sundial is a kind of shadow clock. c) We wear watches on our wrists. d) We need to know the time. 6) A nail falls out of a candle clock when ..... a) it is a cloudy day b) the candle melts down c) the sun shines d) the flames goes out 7) Which of the following is a fact? a) Cuckoo clocks are too noisy b) Analog clocks are better than digital clocks. c) Water clocks are easy to make. d) Sundials have a pointer and a base. 8) Which type of clock is the worst at giving the correct time during the night? a) cuckoo clock b) grandfather clock c) wristwatch d) shadow clock 9) Why do people keep inventing new ways to measure time? a) . b) .. 10) Do you think people were often late when using a candle clock? Why or why not? a) . b) .. 11) Are most of the clocks you use every day analog or digital? a) . b) ..

It's About Time

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