Changes

{| class="wikitable"

{| class="wikitable"

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|style="width: 50%;| {{ext-img|450px|https://upload.wikimedia.org/wikipedia/commons/1/15/PhET_1_pendulum.png}}

|style="width: 50%;| {{ext-img|450px|[[File:PhET_1_pendulum.png]]}}

|style="width: 50%;|{{ext-img|450px|https://upload.wikimedia.org/wikipedia/commons/d/df/PhET_2_pendulum.png}}

|style="width: 50%;|{{ext-img|450px|[[File:PhET_2_pendulum.png]]}}

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|style="width: 50%;|Step 1 - 1. Notice where the pendulum is – is it higher, lower or at the same level as the central position?

|style="width: 50%;|Step 1 - 1. Notice where the pendulum is – is it higher, lower or at the same level as the central position?

5. Notice the graph – what are the variables on the bar chart? What are the values of PE and KE as compared to total energy?

5. Notice the graph – what are the variables on the bar chart? What are the values of PE and KE as compared to total energy?

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|style="width: 50%;|{{ext-img|450px|https://upload.wikimedia.org/wikipedia/commons/c/ce/PhET_3_pendulum.png}}

|style="width: 50%;|{{ext-img|450px|[[File:PhET_3_pendulum.png]]}}

|style="width: 50%;|{{ext-img|450px|https://upload.wikimedia.org/wikipedia/commons/d/dd/PhET_4_pendulum.png}}

|style="width: 50%;|{{ext-img|450px|[[PhET_4_pendulum.png]]}}

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|style="width: 50%;|Step 3 - 6. Notice where the pendulum is – has it moved? Is it higher or lower than the central position?

|style="width: 50%;|Step 3 - 6. Notice where the pendulum is – has it moved? Is it higher or lower than the central position?