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Science cycle test > science test > Flashcards

science test Flashcards

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1
Q

what is an independant variable

A

the variable that you change

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2
Q

what is the dependant variable

A

the one you measure

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3
Q

how do you start a hypothesis

A

if……then…..

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4
Q

how do you start the aim

A

to investigate

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5
Q

what is the conclusion for

A

to say if your hypothesis was correct or not

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6
Q

what are some thing you can talk about in the discussion

A

if your test was fair, valid, accurate, if you made any mistakes ,anomalies, averages improvements, if it was reliable, how many trials, trends

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7
Q

what do materials do you use for science.

A

pencil, ruler, measurements, units

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8
Q

what are the three stataes of matter

A

solid liquid gas

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9
Q

what do the particles look like with solid liquid gas

A

solid-tightly pack liquid- a little bit spread out gas-very spread out

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10
Q

do solid liquid gas have a fixed shape

A

solid-yes liquid-no gas-no

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11
Q

do solid liquid gas have a fixed volume

A

solid-yes liquid-yes gas-no

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12
Q

can solid liquid gas be compressed

A

solid-no liquid-no gas-yes

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13
Q

what is boiling point

A

when you are boiling something and it reaches a point where is changes states

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14
Q

what is melting point

A

when you are melting something and it gets to point where it changes state

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15
Q

what is the process of turning a solid to a gas

A

sublimation

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16
Q

what is the process of turning a gas to a solid

A

deposition

17
Q

how do you find density

A

mass divided by volume

18
Q

what is a molueule

A

the same atoms bonded together

19
Q

whats a compound

A

different atoms bonded together

20
Q

what does dilute mean

A

dilute is less particles of solute

21
Q

whats does concentrated mean

A

concentration is lots of solute particles

22
Q

whats does saturation mean

A

when no more solute will dissolve

23
Q

what is the solvent

A

the liquid

24
Q

what is the solute

A

the substance

25
Q

whats evaportion

A

when a substance reaches its boling point and changes form liquid to gas

26
Q

what is crystallisation

A

evaporating the solvent and leaving behind the solute is called crystallisation

27
Q

whats chromatography

A

chromatography is the technique used for separating a mixture of pigments based on there solubility

28
Q

whats filtration

A

filtration is separating solids from liquids through filter paper

29
Q

whats sedimentation

A

sedimentation is the process of allowing particles to settle out of suspensions through gravity

30
Q

whats decantation

A

its separating a liquid from a solid by removing the liquid from the top

31
Q

whats centrifuging

A

centrifuging is when you spin a mixture and it separates the solid and liquid that wont seperate on its owns

Science cycle test (3 decks)

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