whatequipmentand chemicals you will need, and you will have an idea in
advanceoftheproceduresyou aresupposedto follow. There willundoubtedly
be chemicalsthatyou have neverheardofmentionedin the experiments.Look
them up in thechartbeginning on page 17, and you will findthatmany are
ordinaryhouseholdsubstancesthatyou or yourparentsuse nearly every day.
Itis up to you to decidewhether you want to read the section entitled
"Results"before or after doing an experiment. Of course, there would be
more suspenseifyou wait until afterwardto read it, and see if youactually
have observed what it says,butthe choice really depends on your own work
habits.
Muchexciting knowledge awaits you as youprepareto explore the worldof
chemistry.
NOTE:experiments marked with anasterisk(*) are potentially dangerous.
Parentsshould decide how much supervision is necessary.