SWORDSCharlie Epp

PURPOSEWhat is the sharpest material to make swords?

HYPOTHESISI think metal will make the sharpest sword.

PROCEDURE We found some materials for

swords We used knives because it was safer

We picked stuff to cut Things that are OK to cut with knives

We cut things to see which one was sharpest

We wrote things down

SWORDS (KNIVES)

STUFF TO CUT

RESULTSWood Banan

aTomato Paper Banan

aNo Peel

Metal Knife

yes yes yes yes yes

Wood Knife

no squish tore no yes

Plastic Knife

no yes yes tore yes

Paper Knife

no no no no yes

RESU

LTS

Cu

tting w

ood

with

meta

l

RESU

LTS

Cu

tting b

an

an

a

with

pla

stic

RESU

LTS

Cu

tting to

mato

w

ith w

ood

RESULTSCutting banana (no peel) with paper

CONCLUSIONSHypothesis was correct – metal

was best I also learned plastic was the

second bestIt cut almost as many things as the metal

Wood was the third bestIt tore and squished stuff more than cut

Paper cut nothing except banana with no peels

RESEARCHBoos, Ben. Swords: An Artist’s

Devotion. Boston: Candlewick, 2012.