Flashcards
yr 8 (core)
Cards in this deck (69)
- 1you are ... sighted if you have concave lenseslong-sighted
(cave is long) - 2you are ... sighted if you wear convex lensesshort-sighted
- 3if the lens is fat in the middle it is a ... lensconcave
- 4a convex lens is ... in the middlethin
- 5... lens put the rays apartconcave
(makes it fatter) - 6convex lens put the rays ...closer
- 7... lens shrinks the imageconvex
- 8concave lens ... the imageenlarges
- 9if you are short-sighted your eyeball is too ...long
- 10if your eyeball is too small your ...long sighted
- 11you are ... if the image is focused behind the retinalong-sighted
(the image is too long) - 12if the image is focused in front of the retina you are ...short sighted
(too short to reach the retina) - 13what is the first part of the earear canal
- 14... starts to beat and passes it on to the ossiclesear drum
( instrument first one to beat ) - 15the ossicles passes on the vibration to the ... in liquid formcochlea
(shaped like a snails shell) - 16the cochlea passes it on to the ... nerve which is in the brainauditory nerve
- 17the iris is the ...coloured part, made of muscle and controls the amount of light going into the eye
- 18the ... contains cells which are light sensitive (where the image is focused)retina
- 19the cornea ... the ...refracts light
- 20the ... is made smaller or bigger by the ...cornea iris
- 21the optic nerve focuses light onto the ...retina
- 22draw an ocilliscope graph with the parts labelledtrough crest amplitude time period
- 23osilliscope graph- is the sound is deep and loud what are the waves going to look likewide and tall
- 24... is where gas exchange takes placealveoli
- 25tidal volume is the ... amount of air you can breathe in and out of your lungsaverage
- 26... air us the maximum amount of air you can breathe in and out if your lungsvital
- 27training makes the lungs more effective at supplying the ... with oxygenblood
- 28... enters the blood whilst ... leavesoxygen enters
carbon dioxide leaves - 29glucose and oxygen are carried by the bloodstream to the ...muscles
- 30the windpipe is: flexible not too weak nor strong not breakable made of ...cartilage
(practise spelling) - 31capillaries grow around the ...alveoli
- 32alveoli is very ...small
- 33alveoli have a ... surface arealarge
- 34... carries out gas exchangealveoli
- 35alveoli have a lot of blood ...veins
- 36name the three types of enzymeslipase
protease
amalyse - 37amalyse is found in the: pancreas salivary glands ...small intestine
- 38amylase turns starch into ...sugars
- 39... is found in the: stomach pancreas small intestineprotease
- 40protease turns proteins into ...amino acid
- 41lipase is found in the: ... small intestinepancreas
- 42... turns lipids into fatty acids and glycerollipase
- 43the liver produces ... which helps the digestion of fatbile
- 44food is ... into the bloodstream which takes place in the small intestineabsorbed
- 45extra water is absorbed back into the body in the ...large intestine
- 46the ... creates chemicals called the digestive enzymespancreas
- 47what are the two types of respirationaerobic
anaerobic
(practise spelling) - 48anaerobic glucose (arrow) ... acid and energylactic
- 49anaerobic there is no ... involvedoxygen
- 50anaerobic a build up of lactic acid can cause a ...cramp
- 51in anaerobic less/more energy is produced the aerobicless
(no oxygen) - 52in anaerobic ... is broken down fullyglucose
- 53aerobic glucose + oxygen (arrow) ... + carbon dioxide + energywater
- 54aerobic ... energy is producedmore
- 55aerobic creates water and ... which we don't needcarbon dioxide
- 56name the three things atoms containneutrons
protons
electrons - 57protons have a .. charge and the electrons have a negative charge making the atom neutralprotons are positive
(p)
electrons are negative
(electro man in spiderman is evil - negative) - 58when atoms are chemically joined they become an ...element
- 59when two ... are chemically joined it becomes an compoundelements
- 60elements can have up to ... shellseight
- 61when atoms chemically join a reaction is produced as electrons are joining onto the opposite ...shell
- 62atoms have a nucleus which is made up of protons and ...neutrons
- 63protons have the same number as ...electrons
- 64neutrons have no ...charge
(they are neutral) - 65you find out the ... by subtracting the big number from the smallneutrons
- 66periodic table the big number is always going to be the ...mass
- 67the small number is the protons which is equal to the ...electrons
- 68smoking can cause the ... of ... to be damaged and prevent it from doing its jobhairs of celia
- 69what is the job of cilia? what can prevent this from happening?to sweep out all the mucus and dust.Smoking can stop this process from happening as the hairs will be damaged.
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- 1 year before GCSE Revision (Science) Flashcards on yr 8 (core), created by Saarah Ahmed on 18/05/2014.
- Created by
- Saarah Ahmed · May 2014
- Updated
- Jul 10, 2016
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