FUN Supersmart science help needed?! EASY ENOUGH?

Question

-how should i separate salt, sand, iron filings, and sawdust?

-iron filings: with magnet

-salt: mix with water, drain out

-sand? not sure

-sawdust? not sure

we've got:

-tweezers, hot pad/plate, scoopula

PLEASE HELP

Answer 1

Always try googling your questiong too.

I did and I got this:

http://wiki.answers.com/Q/How_can_you_se...

Which says.. When you pour water in it, the sand will sink to the bottom and the wood will float to the top, then you just basically scoop the wood out and you're left with the sand.

:D