Hypothesis: If you can measure the pH of a
range of acids and bases using a universal pH
indicator, then you can use those values to
calibrate a cabbage pH indicator.
To determine the pH of a solution using a pH
indicator paper, you need a
DONE

Higher temperature = molecules move around faster. and vice versa.

Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. this makes plastics which are important also to people but sometimes it lead to harmful environmental effects such as global warming if these plastics are burned.

I'm sorry but, is there a list of options?