Q6.It is a material made of particles that can easily change
their locations
Q7. It is the amount of matter in a unit of volume
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6. In a liquid the particles are still close together but a little further apart than in a solid. The particles can move around and mix with other particles. Therefore, liquids can change shape to match their container. There is still very little space between particles, so liquids are also difficult to compress.
7. Mass measures the amount of matter in a substance or an object. The basic SI unit for mass is the kilogram (kg). Volume measures the amount of space that a substance or an object takes up. The basic SI unit for volume is the cubic meter (m3).
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