Pulleys - simple machines

[Lilace210]

This help a lot with my homework Lola

[lamana28]

4:06 i see mr potato head wheeee! : D

[drumma13oy]

BILL!!



[heiboo810]

Thumbs up for STAR WARS: Imperial march

[mjmaung668]

Haha jack and jill went to the well and discovered a PULLEY!!!

[newage4energy]

Care to narrate mine?

[MikoMikoNursechan]

why are their mouths on their throats? XD

[694300001]

nice

[aval1998]

omfg i watch bill nye all the time in science class O_O

[DUSTINimovie]

did anyone see this in mr hammans class??

[SockMonkeySociety]

wow i saw this in school

[SockMonkeySociety]

wwoooowwwww i saw this in school

[pianogirlruth]

wow!! nice.. thanks bill!

[micshea]

cool beans

[IllBeFamousOneDay199]

it didnt look like bill nye with the part of jack and jill and did jack break his skull again and got brain sergery once again????

[TheXanderDude]

Bill Nye saved me! Being suspended and having to homeschool myself, TOO EASY :D

[gvsfgdf]

Now bill needs to make a vid on electrodynamics....

[lukemacca54]

bill nye has saved my bacon too many times when i have to plan science classes and hove nothing to take

[PandBearPK]

my flipping gosh this video saved me from passing the science test!

[TheGrayJacket]

@PandBearPK So this video made you fail the science test?

[xTony7]

i'd just learn sumting new

[acidXxqueen]

I just nostalgia'd myself back about 10 years. O_o that was crazy.

[hvguy]

me 2! bill nye the science guy!

[t8j206]

That is so cool!!!

[ferg1100]

Nice

[mateoricosuabe]

Wow, this is way too cool! I'm going to use ol' Jack and Jill for sciencce class presentation in college! LOL-I'm really grown up! ROTFL!!!

[alyssahenley]

i love this!

[SockMonkeySociety]

@alyssahenley y