Scientific Method
Sponge Bob loves to garden & wants to grow pink
flowers for his friend, Sandy.
 He bought a special fertilizer called Flower Power
to see if it would help his plants produce more
flowers.
 He plants:







2 plants
Same size
Separate containers
Same amount of potting soil
1 plant in a sunny window (watered everyday with
fertilized water)
1 plant on a shelf in a closet (waters with plain water)
What
did Sponge Bob do
wrong in this experiment?
What should he do to test
the effectiveness of Flower
Power fertilizer?
Write an experiment.
 Gary
is not the smartest snail in Bikini
Bottom, but he thinks he can improve his
brain power by eating Super Snail Snacks.
 Gary recruits Sponge Bob and several snail
friends to help him with an experiment.
 The snails ate 1 snack with each meal
every day for 3 weeks.
 Sponge Bob made a test and gave it to the
snails before they started eating the
snacks and then again after the 3 weeks
was over.
Test Results
Snail
Before
After
Gary
64%
80%
Larry
78%
78%
Barry
82%
84%
Terry
72%
70%
Based
on the data, do
the Super Snail Snacks
work?
What should Gary and
Sponge Bob do next?
 Patrick
loves bubble gum.
 He wants to be able to blow the biggest
bubbles.
 He is going to enter the Bikini Bottom Big
Bubble Contest.
 He will practice with 5 different brands of
bubble gum.
 We are going to perform an experiment to
help him decide which type of bubble
gum would be the best.
Purpose/Problem
Research
Hypothesis
Experiment
Brand of
Bubble
Gum
Number of
bubbles
blown
Types of
bubbles
blown
Analysis
Conclusion