 | |
| Discussing their hypothesis during our lever experiment. |
 |
| Testing their hypothesis with their materials. |
 |
| Teamwork! |
 |
| We learned about all three classes of levers and that they each need a fulcrum, force, and effort. |
 |
| Next we learned about pulleys. |
 |
| We tested different ways to lift a milk jug off the ground with pulleys. |
 |
| Multiple ideas were tested. Then students recorded and discussed their observations. |
