Year 7 Science
Presentation
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Science
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7th Grade
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Practice Problem
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Medium
Tan Desmond
Used 92+ times
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16 Slides • 4 Questions
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Year 7 Science
Chemistry
States of Matter
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Matter is anything that have ...
mass (kg)
occupies space (have volume)
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Imagine all these furnitures are inside your room :)
What happened if you remove all of them, how will your room look like?
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Non-matter
light
heat
shadow
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Matter can be classified into ...
living matter (bacteria, human, plant, animals)
non-living matter (table, chair, hair, air, cup)
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3 States of Matter
Solid
Liquid
Gas
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Solid
particles are closely packed
minimum spaces in between
particles vibrate about their fixed positions
fixed volume
fixed shape
cannot be compressed
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Liquid
particles are less closely packed as compared to solid
particles have move spaces to move around
fixed volume
no fixed shape
cannot be compressed
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Gas
particles are very far apart
particles are move freely in any direction
no fixed volume
no fixed shape
can easily compressed
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Look at this balloon!
What do you observe?
gas particles are free to move around
no fixed volume
no fixed shape
can be easily compressed
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Multiple Choice
Liquids can be compressed.
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Multiple Choice
Liquid takes up the shape of the container.
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Multiple Choice
Particles in gaseous state are free to move around.
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Multiple Choice
Year 7 Science
Chemistry
States of Matter
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