Energy Forms of Energy Forms of Energy Continued Conservation of Energy Heat Transfer
Jan turns on a lamp so she can read. What type of energy provided by the lamp helps Jan read? A.Nuclear energy B.Electromagnetic energy C.Chemical energy D.Thermal energy Answer
100 points B. Electromagnetic Energy Home
What kind of energy is produced by the vibrating particles when the strings of an acoustic guitar are plucked? A.Chemical energy B.Nuclear energy C.Electrical energy D.Sound energy Answer
200 points D. Sound Energy Home
What kind of energy is involved in the movement of the blades of a windmill when moving air or wind strikes it? A.Mechanical energy B.Nuclear energy C.Electrical energy D.Electromagnetic energy Answer
300 points A. Mechanical Energy Home
This is the energy associated with the motion of an object. A.Thermal Energy B.Electrical Energy C.Sound Energy D.Mechanical Energy Answer
400 points D. Mechanical Energy Home
This is the total amount of energy in all of the particles contained in a sample of matter. Heat is often associated with this type of energy. A.Mechanical Energy B.Thermal Energy C.Sound Energy D.Electrical Energy Answer
500 points B. Thermal energy Home
This is the type of energy that is stored in chemical bonds. For example, batteries have this type of energy. A.Nuclear energy B.Sound energy C.Electromagnetic energy D.Chemical energy Answer
100 points D. Chemical Energy Home
Computers, radios, televisions, and lamps are all examples of devices that operate using this type of energy. A.Electrical energy B.Nuclear energy C.Thermal energy D.Mechanical energy Answer
200 points A.Electrical energy Home
This type of energy results from the motion of particles within atoms. Light, x-rays, and microwaves are all examples of this type of energy. A.Nuclear energy B.Sound energy C.Electromagnetic energy D.Electrical energy Answer
300 points C. Electromagnetic energy Home
This energy is given off by a vibrating object and travels in the form of waves. A.Nuclear energy B.Sound energy C.Electromagnetic energy D.Chemical energy Answer
400 points B. Sound energy Home
This is the energy stored in the nucleus of an atom as a result of the nuclear forces. A.Mechanical energy B.Thermal energy C.Chemical energy D.Nuclear energy Answer
500 points D. Nuclear energy Home
Which of the following correctly states the law of conservation of energy? A.Energy cannot be created or destroyed but can be converted from one form to another B.Energy can be created or destroyed, as well as being converted from one form to another C.Energy is created when it is converted from one form to another D.In most systems, some energy is destroyed and lost as heat Answer
100 points A. Energy cannot be created or destroyed but can be converted from one form to another Home
At what point in the picture is the kinetic energy the greatest and potential energy lowest? A.1 B.2 C.3 D.4 Answer
200 points D. 4 Home
Using the formula Potential Energy = mass x height what is the potential energy of a rock with a mass of 50 kg that rests at the edge of a cliff 125 meters high? A.2.5J B. 50J C. 125J D. 6,250J Answer
300 points D J Home
If energy is never lost, then what causes a rolling ball to eventually stop? A.Momentum B.Potential energy C.Chemical energy D.Friction Answer
400 points D. Friction Home
When energy is transformed from one form to another, some energy is often wasted in the form of A.Heat B.Water C.Ice D.Atoms Answer
500 points A. Heat Home
Earth receives energy from the sun by A.Convection B.Conduction C.Radiation D.Temperature Answer
100 points C. Radiation Home
You have four containers of water. The water in each container is at the same temperature. Which container has the greatest thermal energy? A.A 5-mL container B.A 10-mL container C.A 15-mL container D.A 50 mL container Answer
200 points D. A 50 mL container Home
In what direction does heat move? A.From warmer to cooler objects B.From cooler to warmer objects C.Between objects of equal temperature D.In all directions Answer
300 points A. From warmer to cooler objects Home
The picture below shows the movement of thermal energy from a hot liquid to a metal spoon. What method of heat transfer is occurring? A.Conduction B.Convection C.Radiation D.Temperature Answer
400 points A. Conduction Home
In a toaster, electrical energy is converted into thermal energy within the coils inside the toaster. Heat from the coils is used to toast the bread. How is the heat from the coils transferred to the bread? A.Convection B.Conduction C.Radiation D.Currents Answer
500 points C. Radiation Home
What type of heat transfer is occurring in the picture below? A.Conduction B.Convection C.Radiation D.None Answer
100 points A. Conduction Home
What type of heat transfer is occurring in the picture below? A.Conduction B.Convection C.Radiation D.None Answer
200 points B. Convection Home
What type of heat transfer is occurring in the picture below? A.Conduction B.Convection C.Radiation D.None Answer
300 points C. Radiation Home
What type of heat transfer is occurring in the picture below? A.Conduction B.Convection C.Radiation D.None Answer
400 points B. Convection Home
What type of heat transfer is occurring in the picture below? A.Conduction B.Convection C.Radiation D.All of the above Answer
500 points D. All of the above Home