Question

1. what is the independent variable? the factor that is change 5. \what type of bubble gum makes the biggest bubbles?\ 6. which of the following statements will be a correct hypothesis for the problem? 7. \how does wearing a seatbelt affect the passengers motion when a car stops suddenly?\

Explanation:

1. The independent variable is the factor that is deliberately changed in an experiment.
2. The independent variable here is the type of bubble - gum as it is the factor being varied to see its effect on bubble size.
3. A correct hypothesis for "What type of bubble gum makes the biggest bubbles?" could be something like "Brand X bubble gum will make the biggest bubbles compared to other brands" assuming Brand X is one of the types being tested.
4. The independent variable is whether or not the passenger is wearing a seat - belt as it is the factor being manipulated to observe its effect on the passenger's motion when the car stops suddenly.

Answer:

1. The factor that is deliberately changed.
2. The type of bubble - gum.
3. (Example) Brand X bubble gum will make the biggest bubbles compared to other brands.
4. Whether or not the passenger is wearing a seat - belt.