1
Four objects are on a shelf 1.5 meters above the ground: a 350 gram trophy, a 100 gram picture frame, a 225 gram book, and a 600 gram vase. Which object has the MOST potential energy?
a. Book
b. Vase
c. Trophy
d. Picture Frame
b. vase
Stored energy_________
Potential Energy
Select the two properties that affect the kinetic energy of an object.
a. density and direction
b. potential and mechanical
c. mass and speed
d. density and shape
C.
A student throws a ball straight up. What happens to the ball’s energy as it rises?
a. The kinetic Energy and Potential Energy of the ball do not change as it as rises.
b. The kinetic Energy of the ball changes into potential energy as the ball rises
c. The potential energy of the ball changes into kinetic as the ball rises.
d. The kinetic energy of the ball decreases as it rises, but its potential energy does not change.
b. The kinetic Energy of the ball changes into potential energy as the ball rises
Energy of motion_______.
Kinetic Energy
In which manner does heat move?
a. From warmer areas to cooler areas
b. From cooler areas to warmer areas
c. between areas of equal temperature
a.
Which of the following is a form of Potential Energy? A. A new package of AA batteries
B. A lit candle
C. A ball rolling across a soccer field
D. Sound waves hitting your ear drum
A. A new package of AA batteries
The energy stored in bonds within the nucleus Of an atom; energy released by fission of fusion _________
Nuclear Energy
or
Electrical Energy
Nuclear Energy
Which of the following is NOT a source of stored chemical energy that can be turned into a form of kinetic energy?
a. a battery in a toy car
b. food
c. the nucleus of an atom
d. fossil fuels
c. the nucleus of an atom
Which of the following is the best example of a form of kinetic energy being transformed into a form of potential energy?
A. During photosynthesis plants use light from the sun to build sugar molecules.
B. During combustion, fuel, such as wood or oil, is broken down chemically to produce heat and light.
C. In a generator, an armature spinning in a magnetic field produces electric current
D. In a battery, a chemical reaction releases electrons that can flow as electric current.
A. During photosynthesis plants use light from the sun to build sugar molecules.
The energy transferred by a force to a moving object________.
Mechanical Energy
or
Kinetic Energy
Mechanical Energy
This law states that in any process, energy is neither created or destroyed, but can only be converted______.
A. Conservation of Energy
B. Conservation of Mass
C. Conservation of Motion
a
A battery contains two sets of chemicals. When those chemical react, they free up electrons to flow. A battery is directly involved in which kind of energy transformation?
a. Nuclear energy to electrical energy
b. Mechanical energy to thermal energy
c. Thermal energy to mechanical
d. Chemical energy to electrical energy
d. Chemical energy to electrical energy
Energy created by the flow of electrons through a conductor ___________.
Electrical Energy
or
Nuclear Energy
Electrical Energy
Which is an example of heat transfer through radiation?
a. Light from a fire shines on objects, which absorb the light and transform it into thermal energy
b. A fire consumes oxygen in air to produce ash and smoke
c. a fire heats a pot, which transfers heat to beans in the pot
d. a fire heats the air around it, which m oves out from the fire in currents of warm air.
a