1) How many things can you change in a fair test? a) 1 b) 3 c) all of them d) none of them 2) What did you change in your test? a) the size of the pot b) the number of grass seeds c) where you put the pot d) everything e) how much you watered 3) what did you keep the same? a) the size of the pot b) the number of grass seeds c) where you put the pot d) everything e) how much you watered 4) what will you measure or observe? a) how tall the grass grows b) what the grass looks like c) the size of the pot d) the size of your feet

Making a fair test

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