Step 1 Think and complete(基础性作业)
同学们在为探索营制作“力与运动”的思维导图。请在横线上补全内容。

1.pull 2.big movement 3.easy to move 4.heavy 5.the fastest 6.a bigger force

Step 2 Think and write（拓展性作业）
同学们做了实验记录。请根据提示填写内容，补全实验结论。
How do forces make things move?
| Forces | Action | Movement or speed | My finding |
| --- | --- | --- | --- |
| A small force | carry a heavy bag | 1. to carry | a small force
a 2. movement;
a 3. force
a big movement. |
| | throw a ball | doesn't go far | |
| A big force | carry a light bag | easy to carry | It is 4. ( easier/more difficult ) to move a light thing than a heavy thing. |
| | throw a ball | goes 5. | |

1.difficult / hard 2.small 3.big 4.easier 5.a long way