SCIENCE EXAM Flashcards

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1
Q

applied force is a

A

push or pull

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2
Q

lift is

A

going higher

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3
Q

drag is

A

pushing down

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4
Q

bouancy is going

A

up

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5
Q

spring balance is used to

A

measure the magnitude of a force

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6
Q

constant velocity means

A

staying at the same speed

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7
Q

friction is

A

the rubbing on a surface, slows it down

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8
Q

normal force is

A

just an object on another object or thing

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9
Q

KEEP IN MIND

A

FRICTION ACTS ON OPPOSITE FORCE OF MOVEMENT

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10
Q

mass is

A

amount of matter in an object, measuered in grams

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11
Q

weight is

A

force of gravity on a mass, measured in newtons

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12
Q

weight= ….. ( it is an equation )

A

weight equals mass times grams

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13
Q

the astroid belt seperates

A

the terrestrial and gas planets

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14
Q

luna eclipse:

A

when the earth egts in the way of the moon and sun

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15
Q

solar ecpipuse

A

when the moon is in the way of the earth and sun

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16
Q

north and south poles on a magnet are..

A

attracted to eachother

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17
Q

magnetic feilds on a magnet run from the

A

north pole to the south

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18
Q

the same sides of magnets

A

repel eachother

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19
Q

accurate means

A

no errors

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20
Q

when an atom has more protons it is..

A

negativelyt charged

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21
Q

valid means

A

one independent variable, did you control all of your variable?

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22
Q

reliable means

A

repeat the experiment ( trials )

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23
Q

the three adaptations

A

structual, phylogical, behavioral

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24
Q

commensalism is

A

+ and dont care

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25
Q

parasitism is

A

+, -

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26
Q

some decompers are

A

mushrooms, fungi, bacteria

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27
Q

some threats to biodiversity ( different types of species )

A

kills animals, destroys habitat, deforestsation, hunting

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28
Q

trphic level is

A

the number where they are on the food chain

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29
Q

an animal cell has:

A

nucleus, ribosomes, mitochondria, cell membrane

30
Q

plant cell has

A

cell wall, cell membrane, vacuole, chloroplasts, mitochondira

31
Q

nucleus does:

A

controls the cell

32
Q

ribosomes:

A

makes protien

33
Q

mitchondria:

A

cellular respiration uses

34
Q

vacuole

A

stores water

35
Q

cholorplasts

A

photo synthesis

36
Q

cellular respiration: ( gary only wants carlas donut

A

glucose + oxygen flowsss. water + carbon dioxide

37
Q

photo syntheisi: ( clara didnt want otises gum )

A

carbon dioxide + water flowssss. oxygen + glucose

38
Q

prokaryotes

A

bacteria

39
Q

eukaryotes

A

protist, plant, animal, fungi,

40
Q

bacteria facts:

A

unicellular, has no cells but has a cell wall

41
Q

plant facts

A

multicellular, has mitochondria

42
Q

animal facts

A

multicellular, hax no cell wall

43
Q

fungi facts

A

multicellukar and unicellular, has cell wall and nucleus BUT NO CHLOROPLASTS

44
Q

Protist facts

A

unicellular, no cell wall

45
Q

verterbrate

A

has a backbone

46
Q

inverterbrate

A

no backbone

47
Q

the five types of animals

A

mammal, fish, bird, reptile, amphibian

48
Q

to know what each of the five phylums are ( animal, protist etc ) you can see if they have

A

a cell wall, nucleus, chloroplasts, uni/multicellular

49
Q

to know each of the five animals ( reptile, mammal etc ) you can see if they have

A

body tempreture, lay eggs, what their body covering is, where they live, how they breathe

50
Q

in solar systems there are

A

planets, stars, satelites, astroids

51
Q

the earths axis is roated on the angle:

A

23.5

52
Q

ptolmey thought

A

it was geocentric

53
Q

copernicus tjhought

A

it was helocentric but got killed

54
Q

galileo

A

gave suppurted evidence of heliocentric by using his telescope

55
Q

weight is measuered in

A

newtons

56
Q

weight =

A

mass times gravity

57
Q

what are the cells in an animal cell

A

a nucleus, ribosomes, mitochondria, cell membrane, cytoplasm

58
Q

what cells are in a plant cell

A

a vacuol, a cell wall, a cell membrane, mitochondria, chlorpplasts, cytoplasm

59
Q

REMEMBER

A

MONOTREMES ARE MAMMELS ( PLATYPUS AND ECHIDNA )

60
Q

a lubricant:

A

reduces friction

61
Q

photosynthesis equation

A

carbon dioxide + water arrow oxygen + glucose

62
Q

cellular respiration equation

A

glucose + oxygen arrow water + carbon dioxide + energy

63
Q

dependent variable

A

the one you are testing on - the one you measure

64
Q

independent variable

A

the one you dilerberately change at the start

65
Q

controlled variable

A

the thing in the test that is unchanged and constant

66
Q

when a sky diver is falling wen do they have a lot of exeleration

A

when the gravity is more than air resistance

67
Q

when a sky diver is falling when do they slow down

A

when the open the parachute and get more air resistance

68
Q

cohesive forces

A

attract the same particles togther

69
Q

adhesive forces

A

attract different particles together

70
Q

behavioral adaption

A

stuff they do to survive

71
Q

physilogical adaption

A

stuff they do to survive in their environment