Objects float or sink because of their density.
An example of an object with low density is a sponge, as it has loads of air bubbles in it, and will float.
An example of an object with high density is a brick. This is because the brick doesn't have any air trapped in it, it is "packed in", and is more dense than water, therefore it will sink.
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Well, a sponge sinks if there is too much water in it. Basically, if a sponge takes in water, it gets heavier and sinks. Normally, a sponge floats, but if you pour 10 cups of water on it, I bet it will sink.
Some types of sponges float, and others sink.
If the sponge soaks up water, then sinks, it means that the sponge material is actually denser than water, and the sponge was floating due to the air spaces in it. Once all of the air spaces fill up with water, its average density goes from less than water to greater than water, and it sinks.
When water replaces the air in a sponge, it can no longer float. The air is what causes it to float.
sink, because it absorbs water then weighs to much for the water to hold then sinks.
Oh that's quite simple. Find a sponge and get a bowl. Put the sponge in the water and explain how the pores in the sponge suck in the water as you put pressure on it. As you squeeze it explain that the pores release the water through them.
When you put a science tool in water it doesn't sink and in olive oil it does sink
tiny "whips" on the cells inside a sponge draw water in through the pores of thesponge. Food is then removed from the water before it leaves through the opening at the top of the sponge .
cotton does soak up a little water. It soaks up water cauzz it has litttle air holes just like the sponge...but it is not made of the same material as sponge soo it wont soak up as much as the sponge
Oh, dude, totally! The shape of a sponge can totally impact how much water it absorbs. Like, if you have a super flat sponge, it might not be able to soak up as much water as a thick, chunky one. So, yeah, the shape totally matters when it comes to sponge absorption.