Can something be a solid and a liquid at the same time? Sounds impossible! What do you think?
Some of the class didn’t think so whereas some related it to the concept of water being a liquid then freezing into a solid and then melting back to liquid so thought it was possible.
EXPERIMENT
What we used:
Corn flour
Water
What we did:
1. Placed a cup of cornflour into a large bowl.
2. Added about ½ a cup of water and mixed to a thick paste
3. The power is solid. The water is liquid. Do you think the mixture will be a solid or a liquid?
4. Actually, it was both! With our hands we grabbed a handful of mixture. It became firm. As soon as we stopped rolling it in our hands we watched it turn back to liquid.
What happens
As it is in the bowl the mixture is liquid. It’s only water with powder floating in it. However when we roll it, the water molecules are forced into the middle of each grain of powder so the mixture becomes solid.
this is a pretty cool experiment Room 2. We might have to try this at home too. Noah said you are doing another one with a wishbone and soda. Can't wait to hear what happens with that one. Have fun!!
ReplyDeleteFrom Noah's Dad.