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Week 2 year 9 Mueller science Flashcards | StudBud
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Week 2 year 9 Mueller science
Week 2 year 9 Mueller science
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StudBud Administration
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77 plays
equipment, safety and inference
Flashcards
24 cards
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1
What Measurement system is used by scientists worldwide?
liters, meters, degrees and mnemonics
metric
concentric
Imperial
2
Equipment placed together for an experiment is called?
apparatus
experiment essentials
A mess
scientific equipment needed
3
What are the first two rules for determining significant figures?
All non zeros are significant, everything is significant
Higher numbers are more significant, I before E except after C
All non zeros are significant, zeros between non zeros are significant
All zeros are significant, more is better
4
A good hypothesis includes
An 'if' and 'then' statement
punctuation
A 'what if' question
A prediction?
5
What does this safety symbol mean?
electrocution zone
psychic powers zone
Harry Potter zone
high voltage hazard
6
What is an inference?
a substantial insect
a proven fact
a inside conference
a likely explanation of an observation
7
Name 3 items of protective clothing you might wear in a laboratory
lab coat, covered shoes and a pocket protector
lab coat, high lighter and evening gloves
lab coat, safety glasses and latex gloves
lab coat, a text book and safety glasses
8
What four things do scientists measure.
length, weight, time and temperature
masculinity, salinity, condensation and hope
length, mass, time, and consistency
length, mass, time and temperature
9
What does this safety symbol mean?
campfire hazard
mild Australian summer symbol
flammable materials hazard
marshmallow warning symbol
10
Which variable do you measure?
Dependent variable
Controlled variable
Independent variable
The amount of time
11
Value data that is far away from the main group of data is called?
Wrong
Diaspora data
Mildred
Outlier
12
Quantitative observations use ..?
measurement
the 5 senses
scientific equipment
llamas
13
What does this safety symbol mean?
attention falling skiers warning
'let it go' warning
low temperature hazard
avalanche hazard
14
Observations can be either
observation or conjecture
Celsius or Fahrenheit
quantitative or qualitative
good and bad
15
Laboratory safety is very important but most safety is ...?
following the correct rules
determined by the illuminati
becoming more proactive about your environment
common sense
16
What is an independent variable?
The variable you change
A variable that has nothing to do with your experiment?
The variable that you cannot control
The variable you measure
17
Name the type of scientific equipment pictured.
retort stand and clamp
test tube platform
stand and clamp
Tall stick thingy
18
How do you read the water level in a measuring cylinder?
at the meniscus
at the top of the meniscus
ask Brock to do it
at the bottom of the meniscus
19
What is the Mode?
The most fashionable value
The highest value
The middle value
The most common value
20
Scientists have an quick simple way to show scientific equipment in drawing called?
pencil drawings
explanation diagrams
scientific diagrams
cartoons
21
What does this safety symbol mean?
precipitation hazard
acid warning
pour the test tube on your hand
corrosive materials hazard
22
Scientific equipment is used by scientists to ...?
impress other scientists
keep their lunch fresh
conduct experiments
fill the laboratory
23
What is a median?
A way of cooking steak
The average
Something about seedlings
The middle value
24
Qualitative observations use ...
measurement
scientific equipment
the 5 senses
llamas
