states of matter Archives - Free ZIMSEC & Cambridge Revision Notes

The states of matter

By garikaib|2022-09-15T12:40:16+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

States of matter. Image credit britannica.com

States of matter. Image credit britannica.com ZIMSEC O Level Combined Science Notes: The states of matter

Matter exists in three forms:

gas
liquid
solid

NB There is a fourth state of matter: plasma but it is beyond the scope of the ordinary level syllabus
Indeed there are other states but […]
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The relationship between volume and state

By garikaib|2022-09-15T12:40:15+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

The three states of matter and volume. Image credit ucdavis.edu

The three states of matter and volume. Image credit ucdavis.edu ZIMSEC O Level Combined Science Notes: The relationship between volume and state

Solids

due to the fact that the particles in a solid are in fixed positions
solids have a fixed […]
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Experiment: to show that solids change shape when they melt

By garikaib|2022-09-15T12:40:14+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Melting wax takes up the shape of the container. Image credit about.com

Melting wax takes up the shape of the container. Image credit about.com ZIMSEC O Level Combined Science Notes: An experiment to show that solids change shape when they melt

Materials: tin lid/evapouration dish, burner, burner stand, candle wax

Method

place […]
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Experiment: to show changes in shape and volume of iodine crystals when they are heated

By garikaib|2022-09-15T12:40:13+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

sublimation_of_iodine-min

ZIMSEC O Level Combined Science Notes: An experiment To show changes in shape and volume of iodine crystals when they are heated

Materials: evaporation dish/tin lid, glass filter funnel, burner, burner stand, one iodine crystal

Method

Place the iodine crystal into an evaporation dish
Put the filter funnel upside down over the crystal
Warm the crystals […]
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January 2023

The states of matter

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The relationship between volume and state

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Experiment: to show that solids change shape when they melt

Quick NetOne, Econet, And Telecel Airtime Recharge

Experiment: to show changes in shape and volume of iodine crystals when they are heated

Quick NetOne, Econet, And Telecel Airtime Recharge

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