![](/nationalgeographic/pioneer_november_december_2018/make_archimedes_proud/193574/puppet_left.480_0_1.png)
![](/nationalgeographic/pioneer_november_december_2018/make_archimedes_proud/193575/puppet_right.640_0_1.png)
ApplytheScience
TheseworkersaregoingtobuildanArchimedes’ screw.
Youcan, too!
![](/nationalgeographic/pioneer_november_december_2018/make_archimedes_proud/193569/archimedes_1.800_0_1.jpg)
Whatyou'llneed:
- two bowls
- aplastic pipe
- clear,plastic tubing
- packing tape
- water
- food coloring
![](/nationalgeographic/pioneer_november_december_2018/make_archimedes_proud/193570/archimedes_2.960_0_1.jpg)
1
Wraptheplastictubingaroundtheplasticpipe.Thetubingshouldformthreetofivespiralslikethethreadsofa screw.
2
Tapethetubinginplace.Eachendshouldstickoutfromtheplasticpipealittle bit.
![](/nationalgeographic/pioneer_november_december_2018/make_archimedes_proud/193571/archimedes_3.960_0_1.jpg)
3
Placethetwobowlsneareachother.Fillthefirstwithwater.Addacoupledropsoffoodcoloringtothe water.
4
Tilttheplasticpipesothatoneendofthetubingisbelowthesurfaceofthe water.
![](/nationalgeographic/pioneer_november_december_2018/make_archimedes_proud/193572/archimedes_4.960_0_1.jpg)
![](/nationalgeographic/pioneer_november_december_2018/make_archimedes_proud/193573/puppet_bottom.240_0_1.png)
5
Turntheplasticpipeasyoukeepittilted.Watchthewaterclimbupthetubing!Keepturningasthewaterclimbsandpoursfromthe tubingintothesecond bowl.