# data[].attributes.headline
Observe, analyze, and respond the questions n posted in the picture

# data[].attributes.subject
Observe, analyze, and respond the questions n posted in the picture

# data[].attributes.headline
Some students designed this investigation.  it is a controlled experiment because they are testing only one variable.

# data[].attributes.subject
Some students designed this investigation.  it is a controlled experiment because they are testing only one variable.

# data[].attributes.body
Which variable are they testing

# data[].attributes.headline
Which other variables could be  tested in this experiment?

# data[].attributes.subject
Which other variables could be  tested in this experiment?