Pre-lab questions Which of the following questions are testable using scientific experimentation? If it is a non-testable question, change it into one that can be tested. Are there more seeds in a medium-sized Red Delicious apple or a medium-sized Granny Smith apple? Why do people smoke cigarettes? What happens to your blood glucose level if you do not eat lunch? Which planet is the most interesting to study? Which objects are attracted by a magnet: a metal paperclip, a copper penny, or aluminum foil? For each of the following questions, write a reasonable hypothesis using the "If (independent variable), then (dependent variable)" format. Does water affect the growth of a plant? Does temperature affect the amount of sugar that dissolves in tea? Does the volume of a container affect how quickly water will evaporate in it?