Energy Transformations
Kinetic vs Potential Energy
Conservation of Energy
100
Energy is defined as... A) Any driving force B) The ability to do work C) The power to create a force D) Anything that conatins sugar or carbohydrates
What is the ability to do work (B)
100
The higher an object is above the earth the more _____ energy it contains. A) Mechanical B) Kinetic C) Aerodynamic D) Potential
What is potential (D)
100
True or False: The total amount of energy in a closed system is constant.
What is True
200
What type of energy does a moving car mostly have A) Chemical energy B) Potential energy C) Thermal energy D) Kinetic energy
What is kinetic energy (D)
200
Give an example of kinetic energy.
Answers may vary.
200
Energy cannot be created or
What is destroyed
300
A student burns a piece of steel wool in science class. The steel wool releases thermal energy as it burns. Which type of stored energy is transformed into thermal energy during this process? A) mechanical B) electromagnetic C) nuclear D) chemical
What is chemical energy (D)
300
Which has a greater potential energy, a ball held above a student's head, or a ball thrown horizontally at 100 mph by the same student?
What is a ball held above a student's head.
300
The amount of total energy in a system can be found by adding the ________. A) All potential energy B) The thermal and chemical energy C) The kinetic and potential energy D) The mechnical and electromagnetic energy
What is the kinetic and potential energy (C)
400
Which statement correctly describes chemical energy? A) Chemical energy is energy stored in the bonds between atoms. B) Chemical energy is the kinetic energy of moving and vibrating molecules. C) Chemical energy is the result of mass converted to energy in the nucleus of an atom. D) Chemical energy is energy in the form of heat.
What is energy is energy stored in the bonds between atoms (A)
400
During recess, a student shoots a basketball. During this process, chemical energy in the student is transformed primarily into which forms of energy in the ball? A) first kinetic energy and then heat B) first potential energy and then heat C) first kinetic energy and then potential energy D) first potential energy and then kinetic energy
What is first kinetic energy and then potential energy (C)
500
This energy involves the movement and vibrations of particles.
What is Thermal energy
500
Draw a picture of a pendulum and label the points of highest and lowest potential energy.
Varies
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