10 Distance and time 距离和时间 Let's measure it 我们来测一测 Tips 提示 To measure the distance and time of an object moving along a straight line. 要测量物体沿直线运动的距离和时间。 Record the results of our measurements. 把我们测量的结果记录下来。 Time (seconds) 时间（秒） Distance (m) 距离（米） Analyze our measurement results. 分析我们的测量结果。 It took me 8 seconds to get from the starting point to the 5 meter mark. 从起点到5米处，我用了8秒的时间。 I walked ten meters only used ...... 我走10米只用了...... Our group's trolley ...... 我们组的小车...... These measurements can be used to describe how fast or slow the object is moving. 这些测量结果可以用来描述物体运动的快慢。 Five seconds to walk eight meters, ten seconds to walk how far?Twenty seconds? 5秒钟走8米，10秒钟走多远？20秒钟呢？ Actually measure one. 实际测一测。 Estimate the distance from home to school based on the distance you walk in 5 seconds and the time it takes to get from home to school. 根据自己5秒钟走的距离和从家到学校用的时间，估算从家到学校的距离。 Check the train schedules and the distances between places along the railroad line and analyze them to see what you can find. 查阅列车时刻表及铁路沿线各地之间的距离，分析一下，看能发现什么。 |
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