cycle test term 1 yr 8

Question 1

A scientific report:

Answer 1

tells the reader what happened in an experiment.

Question 2

reliable means:

Answer 2

data trustorthy, repets/trials, ssmall range of resulats, minimal errors, remove anomalies and count up avergaes

Question 3

valid means:

Answer 3

only one independent variable, all other variables controlled

Question 4

accurate means:

Answer 4

hard to prove-need some research to determins if your result represents the true value, improvements for next time

Question 5

human reflex error:

Answer 5

people havng different reaction times eg using a stopwatch

Question 6

parrelex error:

Answer 6

taking readings at eye level eg using a measuring cyclinder

Question 7

zero error:

Answer 7

have not zeroed thhe sclae before using it

Question 8

instuement error:

Answer 8

faulty equipment eg stopwatches, bunsen burner etc

Question 9

reading error:

Answer 9

have to estimate a measurement eg ruler or measuring cyclinder

Question 10

what do you add in your conclusion:

Answer 10

link back to your hypothesis was it correct or not, repeat the trend

Question 11

when do you use a bar graph

Answer 11

for catogories (boy and girl) or qualitative data, make sure you have gaps between each bar and bars must have the same thickness

Question 12

when do you use a line graph

Answer 12

quantitative data (numbers), use ruler for line of best fit, for you line of best fit DO NOT go past your last point on the graph

Question 13

for your method what do you write?sqrmt

Answer 13

numbered steps, quantities, repears, mention varibles, tel them what to record

Question 14

you start aim with

Answer 14

‘to investigate’

Question 15

hypothesis start with

Answer 15

’ if… then

Question 16

for a book how do you refernece it?
Nelson Drove To Perushas Pools

Answer 16

name.(date).title.place:publisher
for the name is there is a last name then just putt hatonly do place if there is a placeMAKE TITLE UNDERLINED

Question 17

For a journale article how do you refernece it?
ahston didnt touch jess’ vips

Answer 17

author.(date).title.journal.volume(issue):page

do the last name and then the first letter of their middle and first name*

Question 18

for a webpage, how do you refernence it?

turndown wellington avenue

Answer 18

title.date.website adress

Question 19

what is everything in your discussion?

Answer 19

trend of your graph(as the iv increase…the dv decreases), link trend back to hypothesis, reliability, validity, accuracy, errors