draw a diagram to show that density changes with volume
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Density is a measure of how much mass there is in a given volume or amount of space. The density of any substance is calculated by dividing the mass of the matter by the volume of the matter.
In Fig. 2.2, volume is represented by boxes and individual particles of matter are represented by colored shapes.
Box A has five spheres.Box B is the same size, and has the same volume as box A, but box B has 10 spheres.Box C has the same mass as box A, with five spheres, but box C has a larger volume than boxes A and B.Box D has the same volume and number of green spheres as part A, but also includes other types of matter than the rest of the boxes—red circles and blue cubes.
Fig. 2.2. The boxes and colored shapes in this figure demonstrate the effects of changing mass and volume on density.
Image by Byron Inouye
If the amount of matter is increased without changing the volume, then the density increases (Fig. 2.2 A to 2.2 B). If volume increases without an increase in mass, then the density decreases (Fig. 2.2 A to 2.2 C). Adding additional matter to the same volume also increases density, even if the matter added is a different type of matter (Fig. 2.2 A to 2.2 D).
In Fig. 2.2, volume is represented by boxes and individual particles of matter are represented by colored shapes.
Box A has five spheres.Box B is the same size, and has the same volume as box A, but box B has 10 spheres.Box C has the same mass as box A, with five spheres, but box C has a larger volume than boxes A and B.Box D has the same volume and number of green spheres as part A, but also includes other types of matter than the rest of the boxes—red circles and blue cubes.
Fig. 2.2. The boxes and colored shapes in this figure demonstrate the effects of changing mass and volume on density.
Image by Byron Inouye
If the amount of matter is increased without changing the volume, then the density increases (Fig. 2.2 A to 2.2 B). If volume increases without an increase in mass, then the density decreases (Fig. 2.2 A to 2.2 C). Adding additional matter to the same volume also increases density, even if the matter added is a different type of matter (Fig. 2.2 A to 2.2 D).
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