2. Salt in soil may affect plant growth.
Independent variable:
Formal hypothesis: Salty Scil
soil
Dependent variable: plant growth
Independent variable:Color Dependent variable: Plant growth
3. Plant growth may be affected by the color of the light.
of IgM
Formal hypothesis:
4. Bacterial growth may be affected by temperature.
Independent variable: temperature
Formal Hypothesis:
5. Ultraviolet light may cause skin cancer.
Independent variable: type of light
туре
Formal hypothesis:
Dependent variable: bacteria growth
Dependent variable: Skin cancer
6. Temperature may cause leaves to change color.
Independent variable: temperature
Formal hypothesis:
Dependent variable: Color of leaves
7. Over watering may cause plants to die.
Independent variable: amount of water Dependent variable: Plant health
Formal hypothesis:
8. Sugar may cause fruit to not turn brown.
Independent variable: amount of sugar Dependent variable: fruit
Formal hypothesis: