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Scientific Endeavour 1 Flashcards | StudBud
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Scientific Endeavour 1
Scientific Endeavour 1
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1
Scientific knowledge usually forms part of the fundamental concepts in Engineering, Computing, Architecture?
False
True
2
In a chemical reaction, chemical A and chemical B are mixed to produce a few substances. Which are materials?
boiling tube
measuring cylinder
evaporating dish
chemical A and chemical B
3
What could trigger the formatuion of a hypothesis?
An observation
A question
A doubt
A problem
4
What is the SI unit of time?
hour
second
day
minute
5
What is the SI unit of temperature?
degree celcius
kelvin
Fehrenheit
degree
6
A hypothesis is a kind of _______________.
calculated guess
wild though
proposed explanation
an imagination
7
When someone is asked about his height. He replied "I am 180" Is this a scientifivally correct expression?
No
Yes
8
Colour codes are used to identify different colours to be printed on a printing job. These kind of data are
qualitative only
quantitative only
neither quantitative nor qualitative
both quantitative and qualitative
9
_________ must be carefully considered and designed to obtain a fair and reliable result in an experiment
measurements
variables
statistics
properties
10
________________ are used to conduct scientific investigation.
Scientific inferences
Scientific methods
Scientific endeavours
Scientific phenomena
11
SI unit - metre is used to measure ____________.
volume
length
thickness
area
12
SI unit of mass is ____________.
mg
kg
g
m2
13
Identify the kind of data in the observation: 20 g chemical A and 30 g chemical B react to produce 35 g black powder.
qualitative
quantitative
conclusive and deductive
both qualitative and quantitative
14
m
3
is the SI unit of ________________.
area
words per cubic metre
volume
density
15
Which of the following can be taken as hypothesis to design a scientific experiment without too much complications?
Sewage water will never attract mosquitoes to lay eggs in it.
Mosquitoes can lay eggs in all kinds of water.
Mosquitoes prefer to lay eggs in clean water.
The depth of water does not matter to mosquitoes when they are laying eggs
16
Which of the following is identified as instrument?
microscope
beaker
test tube
glass rod
17
Evidence of suporting a certain hypothesis can only be obtained through conducting experiments.
False
True
18
Which of the following is identified as apparatus in a scientific experiment?
test tube
sand
stopwatch
elecronic balance