Name______Date______

Study Guide Chapter 12

  1. As a baseball flies through the air after being hit, which of thefollowing types of energy does it have?
  1. What is friction?
  1. When you eat fruits and vegetables, what type of energy are you taking in?
  1. What uses the conversion light energy to chemical potential energy?
  1. When is the potential energy the greatest in a roller coaster?
  1. Any time an energy conversion takes place, some of the original energyis converted to what?
  1. A student installs solar panels on the roof. The solar panels allow the school to use the sun’s energy to run things like lights and computers. Which energy conversion do the solar panels do?
  1. What type of energy is stored in a log before it is burned?
  1. What does the Law of Conservation of Energy state?
  1. A stretched- out spring toy has what type of energy?
  1. What organisms in an ecosystem change light energy into chemical energy?
  2. What are the three forms of potential energy and give an example of each.
  1. Example:
  1. Example:
  1. Example:
  1. What two things determine how much kinetic energy an object has?
  1. What is the energy conversion for a hair dryer?
  2. What is the energy conversion for a lamp?
  1. What is the energy conversion for a flash light?
  1. Be able to identify the position with the most kinetic energy and potential energy.
  1. Explain why a high-speed collision may cause more danger to vehicles than a low-speed collision does.
  1. When you hit a nail into a board by using a hammer, the head of the nail gets warm. In terms of kinetic and thermal energy, describe why you think the nail gets warm.
  1. A car that breaks suddenly comes to a screeching stop. Is the sound energy produced in this conversion a useful form of energy? Explain your answer.