Thursday May 17 2012
Bendable Bones - Updated
A classic investigation into the chemistry of bones.


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cool

that's really cool & interesting, thanx!!

Funny

Hi Mr Krampf, you're very funny when you make mistakes! You and you're experiments are awesome. From Tash (in Brisbane, Australia)
ps - I'm having a chemistry birthday party using lots of your experiments, like the haunted pumpkin, the disappearing water magic trick, the orange flash (with Dad), and Oxygen? No!

it woudn't pull up

i clicked on the science video thing to play it but it just said video not found is there something i can do to make it play? thanks silverperk

Thanks for catching that. It

Thanks for catching that. It is fixed now.

thanks

thanks. that was sooooooooooooooooooo cool!

are you kneeling

are you kneeling?

No, just sitting in a lower

No, just sitting in a lower chair than usual. My injured hip was acting up, so I needed a different chair.

plz answer my question

so are bones the only thing that you can do this with?if not what are the other objects you can use?and was that vinegr or water?

Bones are the only thing that

Bones are the only thing that will give these results, and some bones work better than others. For the best results, use thin bones. It might be interesting to try bones from different animals. I suspect that fish bones would work very well.

Does the bone have to be cooked?

Does it matter if the bone is cooked or raw? We tried this last year with water as a control but then I was too scared to open the containers and "test" the bones. Ick.

collagen

is it possible to put collagen into a seashell?

No. Because the sea shell is

No. Because the sea shell is not a living part of the creature, collagen could not grow in it. The collagen requires nutrients to grow. In our bones, those nutrients are carried by blood that flows through blood vessels in the bone.

question

would a small seashell get squishiy if you soak it in vinegar?

No. Because the seashell

No. Because the seashell does not contain collagen, once the calcium carbonate dissolved away, nothing would be left behind. It would just dissolve away.

interesting

who new ??????

Question

When you get new videos posted, will they just show up at the top of this list? I don't want to miss them when they show up. thanks!

The best way to keep track of

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You can also check the "Recently Added Pages" column at the bottom of each page.

Bendable Bones

Love this experiment. This should help the students understand that bones are not dead! :)

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