Question

name: spongebob clean pants
spongebob noticed that his favorite pants were not as clean as they used to be. his friend sandy told him that he should try using clean - o detergent, a new laundry soap she found at sail - mart. spongebob made sure to wash one pair of pants in plain water and another pair in water with the clean - o detergent. after washing both pairs of pants a total of three times, the pants washed in the clean - o detergent did not appear to be any cleaner than the pants washed in plain water.

1. what is sandys hypothesis?
2. what is the independent variable?
3. what is the dependent variable?
4. what is the point of spongebob needing to wash the pants in regular water in this experiment?

iii. squidwards symphony
squidward loves playing his clarinet and believes it attracts more jellyfish than any other instrument he has played. in order to test his hypothesis, squidward played a song on his clarinet for a total of 5 minutes and counted the number of jellyfish he saw in his front yard. he played a song on his flute and then a guitar. he also recorded the number of jellyfish he observed before he began playing an instrument. the results are shown in the data table below.

Explanation:

1. Sandy's hypothesis is that using Clean - O detergent will make pants cleaner than washing in plain water.
2. The independent variable is the type of water used (plain water or water with Clean - O detergent).
3. The dependent variable is how clean the pants are.
4. The pants washed in regular water in this experiment are the control group.

Answer:

1. Hypothesis: Pants washed with Clean - O detergent will be cleaner than those washed in plain water.
2. Independent variable: Type of water (plain water or water with Clean - O detergent).
3. Dependent variable: Cleanliness of pants.
4. Control group: Pants washed in regular water.