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WorksheetsChapter 5 Thermal Energy Exam
Total questions: 25
Worksheet time: 27mins
A _____ is a device that converts thermal energy into mechanical energy.
Solar Panel
Heat engine
Hydrothermal collector
Thermal Insulator
_____ is the study of the relationships between heat, work and thermal energy.
Specific Heat
Heat
Temperature
Thermodynamics
A _____ is a device that transforms the Sun's radiant energy into thermal energy.
Solar Collector
Geo thermal collector
Active heating
Passive Heating
The energy required to raise the temperature of 1 kg of a material by 1 degree Celsius is a material's _____.
Temperature
Melting point
Specific Heat
Thermal energy
The _____ states that thermal energy can be transferred from a cooler location to a warmer location only when work is done.
First Law of thermodynamics
Second Law of thermodynamics
Thermal energy conversion
Heat equation
Thermal energy is transferred slowly through a _____.
Thermal Conductor
Solid
Thermal insulator
Heat engine
If work is greater than heat in a system, then what must be true about the object that is the system?
Its total energy is decreasing
Its total energy is constant
Its total energy is increasing
Its total energy increases, then decreases.
In which device is fuel burned inside chambers called cylinders?
Internal combustion engine
External combustion engine
Heat pump
air conditioner
During which phase of a four-stroke engine are waste gases removed?
Power stroke
Intake stroke
Compression Stroke
Exhaust Stroke
Which material is a poor thermal insulator?
Iron
Feathers
air
plastic
Which device transfers thermal energy from a cooler region to a warmer region?
Solar Panel
Refrigerator
internal combustion engine
thermal conductor
Which term describes the measure of the average kinetic energy of the particles that make up an object?
Temperature
Specific Heat
Potential energy
Thermal energy
Which is energy that is between objects due to a temperature difference between those objects?
Heat
Radiation
Conduction
Insulation
_____ is the transfer of thermal energy by collisions between the particles that make up matter.
Heat
Conduction
Radiation
Convection
_____ is the transfer of thermal energy in fluid by the movements of warmer and cooler fluid.
Heat
Conduction
Radiation
Convection
_____ is the transfer of energy by electromagnetic waves, such as light and microwaves.
Heat
Conduction
Radiation
Convection
Think back to the Convection lab, in the beaker of water cooler water did what when we added food coloring to watch it?
Rose to the top
Sunk to the bottom
Went across the beaker
Stayed around the ice
Calculate the Thermal energy: How much thermal energy is needed to raise the temperature of 2 Kg of water from 25 oC to 75oC? (Hint: the specific Heat of water is 4,200)
840,000 J
210,000J
100 J
420,000J
Calculate the Final Temperature: 125 g of water in a glass is at 10.0oC when an ice cube is placed in the glass. What is the temperature of the water after it has transferred 4,200 J of Thermal energy to the ice cube? (HINT* mass needs to be in Grams)
5.0oC
10oC
0oC
2.0oC
When you have windows facing the sun what type of heating is this considered?
Passive Solar
Active Solar
Solar generation
Radiation Capture
Did Convection currents form in the Foam cup when we put the warm beaker on top?
NO
YES
SOME
ONLY FOR COUPLE MINUTES
