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7G States of Matter

1. What are the 3 states of matter? The 3 states of matter are Solids, liquids and gases.
2. What do Solids do when they are transported? Solids stay in one place, unless they are pushed or pulled.
3. What do they measure the volume of an object? They measure it in cubic centimetres.
4. Can Solids flow, change their volumes and are they really dense? No, they cannot flow, cannot change their volumes and solids are often dense. because they are hard.
5. What are liquids often carried in? Liquids are often carried in tankers so it makes it easy for them to be pumped into and out of tankers.
6. Describe two properties of liquids. 1. Liquids dont change their volumes. 2.They are quite dense but usually less dense than solids.
7. Where are gases stored in? Gases are stored in tightly sealed containers because they flow very easily.
8.What is a theory? It is a way of explaining why things happen as they do. A scientific theory can always be tested against the evidence.
9. Do the particles of a solid vibrate? Yes they do but they are fixed in their places so they can not move past each other, thats why solids keep their shapes.
10. What happens to the particles in a liquid? The particles in a liquid are close to one another but can move past each other. Thats why liquids flow.
11. What is a prediction? It is what you will think during an experiment.
12. Does a gas has a fixed shape? No, because they are easy to squash because there is a lot of space between the particles.
13. What is diffusion? Diffusion is when the particles spread and mix with each other without anything moving them.
14. What causes pressure in a container of gas? It causes by the moving particles bump into each other and hit the sides of the container.
15. What is air pressure? Air pressure is the air particles around us that put pressure on us.
Created by: sofiabaraniak