# data[].attributes.headline
What is the hypotheses of the experiment?

# data[].attributes.subject
What is the hypotheses of the experiment?

# data[].attributes.headline
What will affect the brightness of the bulb? Any possible inferences that related?

# data[].attributes.subject
What will affect the brightness of the bulb? Any possible inferences that related?

# data[].attributes.headline
What is the apparatus that needed for the experiment?

# data[].attributes.subject
What is the apparatus that needed for the experiment?

# data[].attributes.headline
How about the procedure of the experiment?

# data[].attributes.subject
How about the procedure of the experiment?

# data[].attributes.headline
What is the controlling variables that  involved in the experiment?

# data[].attributes.subject
What is the controlling variables that  involved in the experiment?

# data[].attributes.headline
Good questions for better understanding of the content and science process skills involved in the lesson?

# data[].attributes.subject
Good questions for better understanding of the content and science process skills involved in the lesson?

# data[].attributes.headline
Problems faced when they conducted lesson about electricity in school?

# data[].attributes.subject
Problems faced when they conducted lesson about electricity in school?

# data[].attributes.body
Broken bulb

# data[].attributes.body
Broken filament

# data[].attributes.body
The voltage of bulb

# data[].attributes.body
The brand of the bulb

# data[].attributes.body
Colour oren or white

# data[].attributes.headline
The voltage of the bulb affect the brightness of a headlamp

# data[].attributes.subject
The voltage of the bulb affect the brightness of a headlamp

# data[].attributes.body
number of bulbs

# data[].attributes.headline
To investigate the relationship between the number of bulbs with the brightness of the bulb in a series circuit

# data[].attributes.subject
To investigate the relationship between the number of bulbs with the brightness of the bulb in a series circuit

# data[].attributes.headline
To Investigate the relationship between the numbers of bulbs in series circuits with the brightness of bulbs.

# data[].attributes.subject
To Investigate the relationship between the numbers of bulbs in series circuits with the brightness of bulbs.

# data[].attributes.headline
The higher the number of bulbs, the dimmer the bulb is.

# data[].attributes.subject
The higher the number of bulbs, the dimmer the bulb is.