Anya lifts a ball high above her head and drops it. The ball bounces up and down. She observes that the ball loses height every time it bounces. How can this situation be explained?

True or false as earth revolves, it always tilt towards the sun

Most marble is composed primarily of

Identify two simple machines in this compound machine. a. screw, lever b. screw, incline plane c. double pulley d. lever, pulley

What are the properties of matter broken into

A car undergoing uniform acceleration travels 100 meters from a standing start in a given period of time. If the time were increased by a factor of four, calculate the displacement.

Which is a true statement regarding the law of mass balance? A. Solids, gases, and liquids have their own specific equations for the law of mass balance. B. When the body converts a nutrient to another substance, there is no effect on mass balance.

Which of the following is true regarding momentum? The velocity of an object has no effect on its momentum. Increasing the mass of an object increases its momentum. The mass of an object has no effect on its momentum.

Where do you find the fourth state of matter?

A moving freight car collides with an identical one that is at rest. If momentum is conserved, what happens to the second car after the collision?

True or false: Fossil fuels transform chemical energy into other forms of energy.