1. Determine if the following batteries/ cells are made of WET or DRY cells. AA Cell-

Rechargeable AA Cell-

Car Battery-

9V Battery-

iPhone Battery-

2. Determine if the following batteries/ cells are made of PRIMARY or SECONDARY cells.

AA Cell-

Rechargeable AA Cell-

Car Battery-

9V Battery-

iPhone Battery-

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Positrons are spontaneously emitted from the nuclei of

In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c