the scientific endeavour Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what is science

A

the study of natural phenomena in the world

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is quantitative data?

A

numerical quantities of object: phenomenon
numerical=involves measurement, mostly with tools

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is qualitative data?

A

-observations that describe objects/phenomena(characteristics)
-usually in words/ drawings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

a chair has a greater height than a table

A

qualitative data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

the height of a chair is 20m greater than the height of a table

A

quantitative data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is a hypothesis?

A

proposed explanation for an observation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is a independent variable?

A

changed variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is dependent variable

A

measured variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is SI unit for volume

A

m3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

SI unit for mass

A

kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

SI unit for time

A

s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

SI unit for length

A

m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

SI unit for temperature

A

k

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is accuracy

A

the closeness to the true value of the quantity as possible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is zero error

A

instrument gives a non-zero reading when measured quantity shld be zero

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is parallax error

A

marking in the instrument is viewed from the wrong angle

17
Q

what is precision?

A

the closeness of multiple readings to one another
may not be accurate