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1、整理課件Lesson 3 Measuring Volumemillilitre (毫升毫升) volume (體積體積)整理課件We need 100 ml of water.But how much water is 100 ml?整理課件Volume is how much space an object takes up. Which has the most volume? Tick ().整理課件_ ml_ ml60400A volume has a number and a unit, such as 20 millilitres. We use measuring cylinde

2、rs or measuring jugs to measure the volume of a liquid.How much water is there?整理課件How much water is 100 ml? Draw it.整理課件How can you measure the volume of a potato?Fill a beaker with 500 ml of water.Measure the new volume. The volume is _ ml.Put your potato in the water.213600整理課件The extra volume is

3、 the volume of the potato. The potato volume = New volume ( _ ml) 500 ml = _ ml.600100整理課件Add different amounts of juice to 100 ml of water. Watch the colour change. Which is the strongest juice drink?ABC整理課件Measure 100 ml of water. Measure 100 ml of juice. Add some juice gradually to the water. Can

4、 you make the colour the same as drink B? How much juice do you add?ACBDo not taste the drink.整理課件Volume is how much space an object takes up.I can use measuring cylinders or measuring jugs to measure volume.整理課件I measured volume.I talked with my friends.I did an experiment.整理課件Do you drink water every day? How muc

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