ApplytheScience
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189781/title_mouse.128_0_1.png)
Thereareallkindsofwedges,butnot
everywedgeisusefulfora specificjob.
Forinstance,anaxewasbetterthan
asawforcuttingwood,eventhough
the teethofasawarewedges.
Thesemiceneedtodivide
abigblockofcheese.
Whichwedgewould
bebesttouse?You
cantrythis,too!
What you'll need:
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189773/material_tools.320_0_1.png)
varietyoftools
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189770/material_cutting_board.240_0_1.png)
cuttingboard
blockofcheese
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189771/material_goggles.128_0_1.png)
safetygoggles
(Themicehavethem!)
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189772/material_mouse.128_0_1.png)
1
Thegoalistosplitthecheeseintoslices.
2
Themicetrysplittingthecheesewithakitchenwhisk.Hmmmm…That didn’tworksowell.
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189774/step_2.512_0_1.png)
3
Themiceknowthatthetinesonafork arewedges,sotheytrya forknext.Stabbingthecheesewithaforkbreaksthecheese.Itdoesn'tslice it.
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189775/step_3.640_0_1.png)
4
Akitchenknifeseemstobetheanswer!
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189776/step_4.640_0_1.png)
5
Nowallthemicehaveasliceofcheese.Whichwedgeworkedbestforyou?
![](/nationalgeographic/pathfinder_september_2018/wedge_it_-_which_wedge/189777/step_5.960_0_1.png)