Yr 7 Ch 2 Chem combo
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Biodegradable | bacteria or fungi breaks down the substance into simpler substances
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| Chemical properties | how substances react with other substances
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| Compressed | Squashed
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| Incompressible | not able to be compressed or squashed
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| Non-biodegradable | doesn't rot or break down
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| Odour | smell
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| Physical properties | describe things about the substance like its appearance, melting, freezing and boiling points and its hardness
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| Plasma | the fourth state of matter, found in sparks, lightning bolts and in stars
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| States of Matter (phases) | solid, liquid, gas (and plasma at temperatures over 6000 degrees C)
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| Atoms | the incredibly tiny particles that make up all matter
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| Bonding | forces of attraction that hold particles together
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| Brownian Motion | random motion of particles cause by being bumped and jostled by other particles
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| Particle Model | the model used to describe and explain the behaviour of particles in solids, liquids and gases.
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| Vibration | jiggling about on the spot (moving but staying in place)
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| Boiling | when vigorous bubbling appears
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| Boilinig Point | the temperature at which a liquid boils: 100 C for water at sea level
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| Condensation | removal of heat, changing a gas into a liquid
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| Deposition | a gas changing directly into a solid
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| Evaporation | heat changing a liquid into a gas
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| Freezing (solidification) | removal of heat: changing a liquid into a solid
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| Freezing point | the temperature at which a substance freezes: 0 C for water
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| Melting | heat changing a solid into a liquid
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| Melting Point | the temperature at which a substance melts: 0 C for ice to water
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| Steam | condensation of water vapour, forming a visible fog of water droplets
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| Sublimation | a solid changing directly into a gas
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
camwust
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