Student+B+Fish+7

Does the size of an aquarium determine how large the fish will grow?

__** Hypothesis: **__ The size of an aquarium will not affect how large the fish will grow.

__**Controlled Experimen****t**:__ There will be a total of 100 fish. These 100 fish will be placed into four groups of 25 per aquarium. One group of 25 fish will be in a small aquarium. Another group of 25 fish will be in a regular-sized aquarium. Also a group of 25 fish will be in a large aquarium. Last a group of 25 fish will be placed in a extra large tank. Each group of 25 fish will be fed the same amount of food at morning and night everyday. They will start in the aquarium as eggs. They will live and grow in the aquariums for 2 months.


 * __ Independent Variable: __** The independent variable of this experiment is the size of the aquarium.


 * __ Dependent Variable: __** The dependent variable of this experiment is the number of fish.

__** Other Variables: **__ condition of the tank, water quality, water amount, food quality, quality of fish eggs, type of fish, amount of food, water temperature, quality of fish, type of food

__** Control Group: **__ The control group of this experiment is the 25 fish in the regular-sized aquarium.

__** Experimental Groups: **__ The experimental groups are the group of 25 fish in the other sized aquariums. The group of fish in the small aquarium, in the large aquarium, and in the extra large aquarium.