Shared Flashcard Set

Details

Science
Living Journey & Matter Matters
38
Science
Not Applicable
05/22/2013

Additional Science Flashcards

 


 

Cards

Term
Photosynthesis
Definition
process combining water and carbon dioxide driven by light energy absorbed by chlorophyll producing glucose and oxygen.
Term
Respiration
Definition
Process of producing energy from glucose and oxygen releasing carbon dioxide and water.
Term
Leaf section
Definition
What inside of the leaf looks like.
Term
Guard cells
Definition
Pair of sausage shaped cells that control the stomata openings on the lower epidermis of the leaf.
Term
Stomata
Definition
Holes in the lower epidermis which allow entry and exit of gases.
Term
Chlorophyll
Definition
The pigment which absorbs light in plants.
Term
Transpiration
Definition
Loss of water from the leaves.
Term
Osmosis
Definition
Movement of water from an area of high concentration of water to an area of low concentration of water though a semi permeable membrane.
Term
Chloroplasts
Definition
The structures which contain chlorophyll and are the sites of photosynthesis.
Term
Lustrous
Definition
Metal with a shine.
Term
Electrical conductor
Definition
Allows an electrical current to flow through it.
Term
Heat conductor
Definition
Allows heat to flow through it.
Term
Ductile
Definition
To be stretched into wires.
Term
Malleable
Definition
To be hammered into shape.
Term
Alloys
Definition
Are materials that are made of a metal mixed with another element e.g. solder.
Term
States of matter
Definition
Solids, liquid and gases.
Term
Melting
Definition
Change of state from solid to liquid.
Term
Boiling
Definition
Change in state from solid to liquid.
Term
Evaporation
Definition
Change in state from liquid to gas, can take place below the boiling point.
Term
Condensing
Definition
Change in state from gas to liquid.
Term
Freezing
Definition
Change in state from liquid to solid.
Term
Subliming
Definition
Change in state from a solid to a gas (or reverse)
Term
Resubliming
Definition
Change in state from a gas to liquid.
Term
Melting point
Definition
The temperature at which ALL particles of a substance have changed from liquid to liquid state.
Term
Boiling point
Definition
The temperature at which ALL particles of a substance have change from a liquid to gas state.
Term
A physical change
Definition
No new substance is made, it is easy to reverse e.g. freezing water.
Term
Diffusion
Definition
The movement of a substance from a high concentration to a low concentration.
Term
Expansion
Definition
The increase in size of a substance due to increased movement of particles.
Term
Contraction
Definition
The decrease in size of a substance due to decreased movement of particle.
Term
Dissolve
Definition
Solid particles totally mixed with liquid particles.
Term
Solute
Definition
A solid which is dissolved.
Term
Solvent
Definition
The liquid which dissolves the solid.
Term
Solution
Definition
A mixture of the solute and the solvent.
Term
Soluble
Definition
That can be dissolved.
Term
Insoluble
Definition
That cannot be dissolved.
Term
Filtration
Definition
Processes used to separate insoluble solids from liquids.
Term
Chromatography
Definition
Method of separating substances that depends on the different speeds that each substance moves through a particular material.
Term
Distillation
Definition
A method of purifying liquids which involves the evaporation of the liquid followed by condensation of the gas.
Supporting users have an ad free experience!