Energy
The energy of an object that is due to motion is called
A. Potential Energy
B. Kinetic Energy
C. Mechanical Energy
D. Thermal Energy
B: Kinetic Energy
A measure of the average kinetic energy of all the particles in an object.
A. Temperature
B. Heat
C. Energy
D. Radiation
A: Temperature
The energy transferred from an object at a higher temperature to an object at a lower temperature is called
A. Thermal Energy
B. Insulator
C. Heat
D. Conductor
C: Heat
The transfer of energy by electromagnetic waves such as microwaves and infrared light is called
A. Convection
B. Radiation
C. Conduction
D. Thermal Energy
B: Radiation
True or False: Mechanical Energy is the sum of an object's kinetic and potential energy.
True: mechanical energy can be made up of only potential energy, only kinetic energy, or some of both.
The energy that an object has due to it's position, condition, or chemical composition is called
A. Kinetic Energy
B. Mechanical Energy
C. Potential Energy
D. Thermal Energy
C: Potential Energy
The energy transferred from an object at a higher temperature to an object at a lower temperature is called
A. Kinetic Energy
B. Potential Energy
C. Heat
D. The Kinetic Theory of Matter
C: Heat
The total kinetic energy of all particles in a substance is called
A. Thermal Energy
B. Heat
C. Temperature
D. Conduction
A: Thermal Energy
The transfer of energy as heat from one substance to another through direct contact is called
A. Conduction
B. Convection
C. Radiation
D. Insulation
A: Conduction
States that all of the particles that make up matter are constantly in motion.
A. Law of conservation of energy
B. Law of conservation of matter
C. kinetic theory of matter
D. Potential Energy Theory
C: Kinetic Theory of Matter
Energy exists in different forms. Which of the following forms of energy best describes the energy stored in food?
A. Electromagnetic Energy
B. Mechanical Energy
C. Sound Energy
D. Chemical Energy
D: Chemical energy is stored in chemical bonds that hold atoms of substances, such as those found in food, together.
A material that is a poor conductor of heat. Examples include wood, paper, and plastic foam.
A. Conductor
B. Radiator
C. Insulator
D. Thermal Energy
C: Insulator
How could two objects have the same temperature but different thermal energies?
A. One object could have more heat
B. One object could have more calories
C. One object could have more particles and lesser total kinetic energy
D. One object could have more particles and greater total kinetic energy
D: If two objects have the same temperature, the object with more particles will have more overall kinetic energy
Which of the following is the transfer of energy as heat by the movement of a liquid or gas?
A. Conduction
B. Convection
C. Emission
D. Radiation
B: Convection requires the movement of a liquid or gas for heat transfer.
Which of the following terms means the amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius?
A. Heat
B. Temperature
C. Thermal Energy
D. Calorie
D: Calorie
The amount of kinetic energy an object has depends on what two factors?
A. Temperature and Speed
B. Speed and Mass
C. Temperature and Mass
D. Potential Energy and Height off the ground
B: Speed and Mass
The heat you feel when you touch a hot stove is an example of what type of heat transfer?
A. Conduction
B. Convection
C. Radiation
A: Conduction because you made direct contact
A. Conduction
B. Convection
C. Radiation
C: Radiation because the heat is created by the sun's heat waves.
What is the difference between a conductor and an insulator?
A. Wood is a good conductor but not a good insulator
B. Metal is a good insulator but not a good conductor
C. A conductor transmits energy very well while an insulator does not
D. An insulator transmits energy very well while a conductor does not
C: A conductor transmits energy very well while an insulator does not
The heat you feel when you sit next to a campfire is an example of what type of heat transfer?
A. Conduction
B. Convection
C. Radiation
B: Convection because the camp fire warms the air around you.
Describe the law of conservation of energy.
Energy cannot be created or destroyed just changed from one form to another.
When a person uses an iron to remove the wrinkles from a shirt, why does heat travel from the iron to the shirt?
Heat will always travel from an object of higher temperature (Iron) to an object of lower temperature (Shirt)
Name the three temperature scales most commonly used in science.
Celsius Scale
Fahrenheit Scale
Kelvin Scale
If two objects at different temperatures are in contact with each other, what happens to their temperatures?
Heat is transferred between the two objects until they reach the same temperature.
Describe the relationship between temperature and kinetic energy.
Temperature measures the average kinetic energy of the particles that make up a substance