How states of matter can change forms

Which physical layer of earth is broken into tectonic plates?

Heat is a) the amount of thermal energy in an object. b) the energy that moves from a hotter object to a colder object c) a fluid-like substance that flows from a hotter object to a colder object. d) both A and B. e) both B and C.

What is common to the variation in the range and the height of a projectile

A large truck and a small car have a head-on collision. Which scenario is true? A. The truck exerts a greater force on the car than the car exerts on the truck. B. The car exerts a greater force on the truck than the truck exerts on the car. C.

The process in the hydrologic cycle in which water vapor is released from leaves into the atmosphere is called

1.) A circuit has a current of 0.5A and a resistence of 8 ohms. What is the resistence? 2.) A circuit has a voltage of 9V and a current of 3A, what is the resistence?

What is the source of energy for the process of evaporation?

How could you compare the energy carried in two different longitudinal waves

The instantaneous velocity of an object is the blank of the object with a blank

Which of the following best describes the earth's average surface temperature for the past 900,000 years? A. a steady warming trend B. fairly steady temperatures until recently C. prolonged periods of cooling and warming D.