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29 Cards in this Set
- Front
- Back
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How to light a bunsen burner
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make sure the airhole is closed light the match before you turn the gas on
always have the yellow saftey flame when not in use. |
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line graph
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shows continuous data
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pie chart
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shows percentages
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bar chart
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discrete data
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matter
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a term used to describe materials thathat make up objects around us
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object's property
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how the material behaves e.g magnetic
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particles
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what make matter
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three states of matter
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solid
liquid gas |
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density
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measures how heavy a material is - measured in grams per cm3
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how to measure density
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find the volume (lenght x width) x height
divide that by the mass |
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physical reaction
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in a physical reaction it is the state of the material that changes e.g ice melting - it was a solid but it turns to a liquid
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chemical reaction
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a new chemical is made that cannot be reversible
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mixture
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no reaction takes place the chemicals just sit next to each other
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solute
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when a mixture dissapears it's called the solute this happens when dissolving
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solvent
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the liquid the solute dissapears into
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solution
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when a solute and a solvent are mixed together it forms the solution
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chromotography
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separating colours from liquids, the colours travel up paper further
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filtration
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separating solids from liquids using filtration
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evaporation
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separating a something that has been disolved from water
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distillation
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separating liquid from a solution
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nucleus
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cell's brain
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cytoplasm
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the jelly like substance that is like the cell's guts...
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mitochondria
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breakes down sugar and releases it as energy
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golgi body
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packages protiens to send throughout the body
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cell membrane
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controls what passes in and out of cell
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vacole
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stores water, food, energy and waste for cell, only
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risomes
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makes protiens for the cell
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Chloroplasts
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found only in plant cells, preforms photosynthesis (trapping sunlight in as energy)
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cell wall
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found only in plant cells, tough outside layer that protects it.
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