Science Experiment with Alka Seltzer Tablets

What is the main material used in the experiment?

• Salt

• Alka Seltzer tablets

• Vinegar

• Baking soda

What is the purpose of using a petri dish in the experiment?

• To weigh the tablet

• To observe the reaction

• To measure the temperature

• To store the tablet

How long did it take for the whole tablet to dissolve?

• 50 seconds

• 45 seconds

• 37 seconds

• 30 seconds

What was the result of breaking the tablet into two pieces?

• It dissolved slower

• It dissolved at the same rate

• It did not dissolve

• It dissolved faster

Why might breaking the tablet into pieces affect the reaction speed?

• Decreased weight

• Increased weight

• Decreased surface area

• Increased surface area

What was the surprising result of the three pieces experiment?

• It did not dissolve

• It dissolved slower

• It dissolved faster

• It dissolved at the same rate

How many pieces was the tablet broken into for the final experiment?

• Two

• Three

• Five

• Four

What was the conclusion about breaking the tablet into smaller pieces?

• It never dissolves

• It does not consistently affect the dissolution time

• It always dissolves slower

• It always dissolves faster

What was the reaction time for the tablet broken into four pieces?

• 37 seconds

• 39 seconds

• 41 seconds

• 43 seconds

What was the unexpected finding of the experiment?

• Breaking the tablet always speeds up the reaction

• Breaking the tablet always slows down the reaction

• The tablet does not dissolve

• Breaking the tablet does not have a consistent effect on reaction time