Science Class 6
Measurement of Length and Motion
One agreed length, a ruler read the right way, and how to tell something has moved.
9 lessons · ~44 min total
Track progress — 0 of 9 lessons read 0%
Lessons in this topic
- 0 Start here A roadmap: a shared unit, the right unit, reading a ruler, curves and motion. · 3 min You are here
- 1 One length everybody agrees on A standard unit is the same length for everyone, everywhere. · 5 min
- 2 Choosing the right unit Use the largest unit that still gives 1 or more: mm, cm, m or km. · 5 min
- 3 Reading a ruler well Length is the far-end reading minus the near-end reading. · 5 min
- 4 Measuring something that curves Lay a thread along the curve. Straighten it. Read it on a ruler. · 5 min
- 5 Has it moved? Something has moved if its position changes against a reference point. · 5 min
- 6 Kinds of motion Straight-line, circular and to-and-fro motion. Name it by the path. · 5 min
- 7 The big picture Six ideas, tied together. · 4 min
- 8 Track quiz A cheat-sheet and a quiz: one question for each idea. · 7 min
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