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Day 5 Science Quiz Flashcards | StudBud
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Day 5 Science Quiz
Day 5 Science Quiz
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Questions
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Answers
1
What is this set-up?
Sedimentation
Filtration
Filtering
Distillation
2
(Biology) What is this?
Bacterial cell
Covid-19 virus
Animal cell
Plant cell
3
What is this process called?
Sedimentation
Coagulation
Sinking
Decantation
4
__________ + __________ = Solution
Solute
Solid
Liquid
Solvent
5
Which of the followings are branches of science?
Geography
Chemistry
Physics
Biology
6
What is the use of this apparatus?
Transferring small amount of chemicals
Collect extra chemicals
Stirring
Storing chemicals
7
The invention microscope顯微鏡 allows scientists to study microorganisms微生物. This shows that science...
depends on SCIENTISTS
depends on TECHNOLOGY
is TENTATIVE
is EVIDENCE BASED
8
To collect sand from a mixture of sand and sugar, we should perform...
Add water to mixture, then filtration
Distillation + Filtration
Filtration only
Distillation only
9
Which of the following is
NOT
a factor affecting the rate of dissolving?
Amount of solvent
Stirring
Temperature
Surface area
10
Which condition in the fire triangle is removed?
Oxygen
Fuel
Heat
AIr
11
Is this a correct vertical section diagram for
FILTRATION
?
True
False
12
What is a dependent variable?
Variable that is CHANGED
Variable that DOES NOT MATTER
Variable that is KEPT THE SAME
Variable that is MEASURED
13
What is this?
Test tube rack
Bunsen burner
Tripod
Stand and clamp
14
Science investigates _____ and _____ natural phenomena happen
How
Where
When
Why
15
Filtration can be used to separate...
Water and sugar
Water and sand
Sand and salt
Water and alcohol
16
What is the potential hazard of alcohol?
Carcinogenic
Flammable
Explosive
Toxic
17
If we broke a glass beaker, we should throw the broken glass into a rubbish bin
True
False
18
What is the potential hazard of Ammonium Nitrate (NH
4
NO
3
硝酸銨)?
Explosive
Toxic
Corrosive
Carcinogenic
19
Water can be in which form(s)?
Water
Water vapour
Steam
Ice
20
4 Steps of scientific investigation are: Observation, Hypothesis, __________, Conclusion
Test
Comparison
Research
Experiment
