@ajitheman5 Nope, density is mass divided by volume. Mass is how much "stuff" you have, but on an atomic scale in a sense... A pile of feathers takes up the same space as a pile of rocks, but the rocks have more mass.
Density is close (humans are mostly water). However, muscle is more dense than fat, so someone who has very little fat, (a marathon runner for instance) will be more dense. One summer I was a wilderness guide and by the end of the summer I was more dense than water (I sank even if I held my breath...)
Excellent observation. That will introduce some error, but if you consider the volume of my clothes you will see that it is only a small percentage error.
Great job explaining density to my daughter... Great help for her science class!
cyang91 3 months ago
Rocks and feathers!!! yeah gave us that demo monday! Im in your period 2.
JoshPorat 6 months ago
you said the 5 metals have the same mass, but isn't mass how much space and object takes up?
ajitheman5 7 months ago
@ajitheman5 Nope, density is mass divided by volume. Mass is how much "stuff" you have, but on an atomic scale in a sense... A pile of feathers takes up the same space as a pile of rocks, but the rocks have more mass.
sciencetheater 6 months ago
Isn't lead toxic
Maroshirby 9 months ago
@Maroshirby Yes. Notice I don't lick it. :) And I washed my hands after handling it...
sciencetheater 8 months ago
Nice demonstration. Easy to understand.
A1n3dr5e1234567890 2 years ago
i meant density not volume
sekky123 2 years ago
Density is close (humans are mostly water). However, muscle is more dense than fat, so someone who has very little fat, (a marathon runner for instance) will be more dense. One summer I was a wilderness guide and by the end of the summer I was more dense than water (I sank even if I held my breath...)
sciencetheater 2 years ago
also do humans have roughly the same volume or does it vary greatly from on individual to another?
sekky123 2 years ago
good video, however, you did not take into consideration the water used to soak your clothes. Im guessing its negligible.
sekky123 2 years ago
Good call. The water in my clothes is indeed only a small error among many others. (see above)
sciencetheater 2 years ago
thanks for videos!!! it's fun. also i learning english from them
sosna00 2 years ago
Excellent observation. That will introduce some error, but if you consider the volume of my clothes you will see that it is only a small percentage error.
sciencetheater 3 years ago
wait but whene you wayed your self u had a shirt on which would of added to the mass
chinesefood19 3 years ago
Yes, it was a dry shirt though (if I recall correctly) so a source of error, but a small one as I wasn't about to weigh myself naked... ;)
sciencetheater 3 years ago
@sciencetheater lol
Slahrichi14 2 months ago
what about all the water absorbed on your clothes?
sliptodaknot91 3 years ago