Paula finds that the temperature of a beaker of hot water drops several degrees in a few minutes. She says that there must be an exothermic reaction taking place in the water. do you agree? explain.

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

What determines the amount of inertia an object has