8/8/2019 F1 Exp Assess Q2

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Name: __________________( ) Class: ____ Date: ___ / ___ / 201__ Score : ________ / 10

Form one - Experimental skills assessment (Q2)

http://hksciblog.edublogs.org/2010/12/17/f1-is-q2-experimental-skills-assessment/

Assessed area: Procedure-writing skillObservation skill

Apparatus-handling skill

 Aim of the experiment:

To observe if anything will happen when sodium carbonate ( 碳酸鈉  , a white solid) is mixed up with

 sulphuric acid ( 硫酸  , a colorless solution).

 Part one – Writing and sequencing the experimental procedures (6 marks)

Fill in the blanks below. AND , write down the number in the brackets to show the correct procedure

( 步驟  ).

Transfer Weigh Record  

( ) _______________ your observation.

( ) ________________  2.00 g of white solid in a beaker by an electronic balance.

( ) ________________ some colorless solution into the beaker with by a dropper.

 Part two – Recording the observation (2 marks)

 _____________________________________________________________________________________ 

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 Part three – Pointing out the mistake(s) in handling the laboratory apparatus (2 marks)

Mistake 1

 _____________________________________________________________________________________ 

 _ 

 _____________________________________________________________________________________ 

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Mistake 2

 _____________________________________________________________________________________ 

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VIDEO #1

8/8/2019 F1 Exp Assess Q2

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8/8/2019 F1 Exp Assess Q2

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Name: __________________( ) Class: ____ Date: ___ / ___ / 2010 Score : ________ / 10

Form one - Experimental skills assessment (Q2)

http://hksciblog.edublogs.org/2010/12/17/f1-is-q2-experimental-skills-assessment/

Assessed area: Procedure-writing skillObservation skill

Apparatus-handling skill

 Aim of the experiment:

To observe if anything will happen when a few drops ( 數滴的  ) of universal indicator ( 通用指示

劑  , a green solution) are added to sulphuric acid ( 硫酸  , a colorless solution).

 Part one – Writing and sequencing the experimental procedures (6 marks)

Fill in the blanks below. AND , write down the number in the brackets to show the correct procedure

( 步驟  ).

 Measure Add Record  

( ) _____________ your observation.

( ) _____________ a few drops of green solution into the colorless solution by a dropper.

( ) _______________  50.0cm3 of colorless solution by a measuring cylinder.

 Part two – Recording the observation (2 marks)

 _____________________________________________________________________________________ 

 _ 

 Part three – Pointing out the mistake(s) in handling the laboratory apparatus (2 marks)

Mistake 1

 _____________________________________________________________________________________ 

 _ 

 _____________________________________________________________________________________ 

 _ 

Mistake 2

 _____________________________________________________________________________________ 

 _ 

VIDEO #2

8/8/2019 F1 Exp Assess Q2

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8/8/2019 F1 Exp Assess Q2

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Name: __________________( ) Class: ____ Date: ___ / ___ / 2010 Score : ________ / 10

Form one - Experimental skills assessment (Q2)

http://hksciblog.edublogs.org/2010/12/17/f1-is-q2-experimental-skills-assessment/

Assessed area: Procedure-writing skillObservation skill

Apparatus-handling skill

 Aim of the experiment:

To observe if anything will happen when some potassium dichromate (a purple solid) is dissolved into a

beaker of water with stirring.

 Part one – Writing and sequencing the experimental procedures (6 marks)

Fill in the blanks below. AND , write down the number in the brackets to show the correct procedure

( 步驟  ).

 Dissolve Transfer Measure

( ) ______________ the purple solid into water with stirring by a glass rod.

( ) ______________  50.0cm3 of water by a measuring cylinder and then pour it into a beaker.

( ) ______________ a small amount of purple solid into the beaker with 50cm3 water by a spatula.

(4) Record your observation

 Part two – Recording the observation (2 marks)

 _____________________________________________________________________________________ 

 _ 

 Part three – Pointing out the mistake(s) in handling the laboratory apparatus (2 marks)

Mistake 1

 _____________________________________________________________________________________ 

 _ 

 _____________________________________________________________________________________ 

 _ 

Mistake 2

 _____________________________________________________________________________________ 

VIDEO #3

8/8/2019 F1 Exp Assess Q2

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8/8/2019 F1 Exp Assess Q2

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8/8/2019 F1 Exp Assess Q2

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