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What apparatus is used to measure volume of water?
measuring cylinder or graduated cyclinder
What is the unit of mass?
kilogram, gram, kg, g
What apparatus do we use to measure time?
stopwatch
Which method is used to separate sand and sugar? (hint: they have the same size of particles - 2 answers)
filtering and evaporation
What should you do increase the reliability of an experiment?
Repeat the test~
In an experiment, you have to change 1 factor but keep other factors the same. Why?
To make it a fair test.
in guitar, if we changed the length of the string, what do we change?
The pitch
What method do we use to separate gold coin and iron coin?
magnetic attraction
What is the meaning of soluble?
Able to dissolve in water
What is a solution?
A mixture of solute and solvent
What is the meaning of solute?
The solid part of a solution
What is a solvent?
The liquid part of the solution
What apparatus do we use to measure weight?
Force meter
Ms Sisca add a spoonful of sugar into a cup of water. What will she observe?
The sugar dissolve in the water.
How to separate tea leaves from the tea solution?
sieving/filtering/evaporation
What happens when a substance melt?
solid turns into liquid
