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

RESULTS

Cutting wood with m

etal

RESULTSCutting banana with plastic

RESULTSCutting tom

ato with wood

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.