Question

science matter and energy 2nd ed test 5 chapter 5 match each description to the type of energy. not all terms will be used. use a number - two pencil only. 1. energy resulting from the random motion of molecules within an object 2. energy caused by an objects change in position 3. energy caused by a disturbance moving through a substance 4. energy that depends on the charges of and distance between two objects, as well as the properties of any materials separating them 5. energy in an object that is attempting to return to its original shape after being stretched, bent, twisted, sheared, or compressed 6. energy resulting from the combination of atoms into molecules a. chemical energy b. elastic potential energy c. electric potential energy d. gravitational potential energy e. nuclear potential energy f. thermal energy g. translational kinetic energy h. wave energy choose the best answer and fill in the corresponding bubble. 7. in the equation e = mc², what does the “c” indicate? acceleration of gravity centimeters momentum speed of light 8. which of the following statements regarding the relationship of mass and energy is not true? mass and energy can be considered two different ways of measuring the same physical property. a small amount of mass represents a large amount of energy. the law of conservation of mass and energy says that the total mass and energy is constant. when an atom is split in a nuclear reactor, the total mass of the fragments is slightly more than the mass of the original atom. 9. which factor, when increased, increases kinetic energy the most? distance mass temperature velocity

Explanation:

1. Thermal energy is due to random motion of molecules.
2. Gravitational potential energy is related to an object's change in position.
3. Wave energy is caused by a disturbance moving through a substance.
4. Electric potential energy depends on charges and distance between objects.
5. Elastic potential energy is in an object trying to return to its original shape after deformation.
6. Chemical energy results from combination of atoms into molecules.
7. In $E = mc^{2}$, $c$ is the speed of light.
8. When an atom is split in a nuclear - reactor, the total mass of the fragments is slightly less than the mass of the original atom (due to mass - energy conversion), so the statement about it being more is false.
9. Kinetic energy is given by $K=\frac{1}{2}mv^{2}$, and increasing velocity has the most impact on kinetic energy as it is squared.

Answer:

1. F. Thermal energy
2. D. Gravitational potential energy
3. H. Wave energy
4. C. Electric potential energy
5. B. Elastic potential energy
6. A. Chemical energy
7. speed of light
8. When an atom is split in a nuclear reactor, the total mass of the fragments is slightly more than the mass of the original atom.
9. velocity