a piece of cork with volume 100cm3 is floats in water. if the density of cork is 0.25g/cm3 what is the volume of cork immersed in water

Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results

What is the measure of a change in an objects velocity?

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy