What scientific questions might claudia ask about the flame? check all that apply.(the flame is blue)-what element causes this flame color? -is this the prettiest flame color? -will the flame color change if another element is added? -will changing the temperature affect the flame color? -which flame test does claudia’s class like the best?  

The flame test is used to identify certain elements. This is because, when heated, each element will give a special flame color. This color refers to the element itself.
Flame test works best on elements of the first group.

Now, scientific questions means that we are asking for cause and effect.
Examining the given choices, we can identify the scientific questions as follows:
1- What element causes this flame color?
2- Will the flame color change if another element is added?
3- Will changing the temperature affect the flame color?

Idont understand the question