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# What has more mass a sponge or a brick?

## What has more mass a sponge or a brick?

They have equal volumes, but the mass of the brick is greater than the mass of the sponge. The brick is denser than the sponge because it contains more mass per unit of volume than the sponge does. Different types of matter have different densities. For example, gold has a density of about 20 g/cc3.

### What happens to the mass volume and density of a sponge when you squeeze it?

The sponge is actually made up of a mixture of solid and gas. When you squeeze it, the solid part changes it shape, but stays the same size. The gas in the holes gets smaller, so the entire sponge takes up less space. Look at other objects that are compressible, but seem to be solid.

#### Can two objects have the same mass but different densities?

Answer:Because mass and volume are independent, two objects with the same volume can have different masses. Therefore, the objects can have different densities. However, if two objects have the same mass and volume, they will have the same density.

Does more mass mean more particles?

The more closely packed particles are, the more dense the object. The amount of mass in a particular space or volume. The more particles (or mass) in a given space, the more dense it is.

What happens when you press a sponge?

When we press the sponge, the air in the spaces is expelled out from the sponge. Therefore, the sponge can be compressed. The state of the sponge changes from the filled with the air to the no air form.

## Does less water mean less density?

Key Concepts. Density is a measure of how heavy something is compared to its size. If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float.

### Why do liquids have different densities?

The same amount of two different liquids you used in the container will have different densities because they have different masses. The liquids that weigh more (a higher density) will sink below the liquids that weigh less (a lower density).

#### Which substance has the lowest density highest density?

The first chemical element with the lowest density is Hydrogen and the highest density is Osmium.

How does mass affect size?

In particular, an object’s mass remains the same whether it’s on the moon, on Earth, on Saturday or even if it’s just floating through space. In addition, mass is independent of size, meaning that though a bowling ball and soccer ball are about the same size, the bowling bowl has a greater mass.

How can photon have no mass?

Why do photons have no mass? In short, the special theory of relativity predicts that photons do not have mass simply because they travel at the speed of light. This is also backed up by the theory of quantum electrodynamics, which predicts that photons cannot have mass as a result of U(1) -gauge symmetry.

## Is sponge crystalline or amorphous?

The sponge is composed of the atoms which are arranged in a regular pattern. The sponge is not a crystalline solid. But it is an amorphous solid like rubber.

### What changes the shape of a sponge?

A sponge can change its shape by pressing but it is a solid.

#### What happens to the mass of a sponge when squeezed?

If it’s the sponge material itself and nothing more, then the mass will remain constant (ignore unmeasurable effects due to potential energy of elasticity stored in the sponge when squeezed). Volume, thus density, are hard to define since a sponge is rather a fractal-like object and it’s exact 3D measure is problematic.

How are sponges different from most other animals?

Sponges do not have the complex immune systems of most other animals. However, they reject grafts from other species but accept them from other members of their own species. In a few marine species, gray cells play the leading role in rejection of foreign material.

What kind of exoskeleton does a demosponge have?

Demosponges use spongin; many species have silica spicules, whereas some species have calcium carbonate exoskeletons. Demosponges constitute about 90% of all known sponge species, including all freshwater ones, and they have the widest range of habitats.

## What kind of materials are used to make sponges?

Many objects with sponge-like textures are now made of substances not derived from poriferans. Synthetic sponges include personal and household cleaning tools, breast implants, and contraceptive sponges. Typical materials used are cellulose foam, polyurethane foam, and less frequently, silicone foam.