Test Energy And Heat Flashcards
(24 cards)
Gravitational potential energy is potential energy that depends on what?
1. Height
2. Length
3. Temperature
4. Volume
Height
Moving objects have what type of energy?
1. Electrical energy
- Nuclear energy
- Kinetic energy
- Potential energy
Kinetic energy
When you stretch a rubber band you give it —
1. potential energy
2. chemical energy
3. mechanical energy
4. thermal energy
Potential energy
In the SI system of measurement which temperature scale does water boil at 100° and freeze at 0°?
1. Celsius
2. Fahrenheit
3. Kelvin
4. BTU
Celsius
What type of energy does a rock waiting to fall off the edge of a cliff possess?
1. Potential energy
- Kinetic energy
- Electrical energy
- Solar energy
Kinetic energy
If you increase the temperature of a molecule its activity will–
1. Increase
2. Nothing
3. Decrease
4. Stay the same
Increase
At which point does a roller-coaster have the greatest kinetic energy?
1. As it is climbing up the tallest hill
2. At the top of the tallest hill
3. At the bottom of the tallest hill
4. Kinetic energy never changes
At the bottom of the tallest hill
Water freezes at —
- -273° Celsius
- 100° Celsius
- 32° Celsius
- 0° Celsius
0° Celsius
To change a Celsius temperature to Kelvin you should —
1. add 273
- add 100
- add 32
- add 212
Add 273
The boy in the picture is standing on a diving board. Which of the following actions would increase the gravitational potential energy of the boy?
1. Placing the boy on a higher diving board
2. Placing the boy on a lower diving board
3. Replacing the boy in the picture with a smaller boy
4. Placing the boy on the ground
Placing the boy on a higher diving board
The average kinetic energy of the individual particles in a substance is the substance’s —
1. temperature
2. mechanical energy
3. density
4. thermal energy
Mechanical energy
The theoretical point where all motion stops is zero Kelvin. This is also known as–
1. Thermal freezing
2. Zero cool
3. Cold
4. Absolute zero
Absolute zero
At which point does a roller-coaster have the greatest potential energy?
1. As it is climbing up the tallest hill
2. At the bottom of the tallest hill
3. At the top of the tallest hill
4. Potential energy never changes
At the top of the tallest hill
The cells in your body store what type of energy?
1. Electromagnetic energy
2. Mechanical energy
3. Chemical energy
4. Thermal energy
Chemical
The temperature at which molecules in matter no longer move is called —
1. absolute freezing
2. freezing point
3. absolute zero
4. 0 degrees Celsius
Absolute zero
Energy that is produced by the internal motion of atoms is called–
1. Heat energy
2. High energy
3. Light energy
4. Chemical energy
Heat energy
An old lady uses a fan to cool off on a hot day. What type of energy conversion is occurring with the fan?
1. Chemical to mechanical
2. Electrical to light
3. Heat to light
4. Electrical to mechanical
Chemical to mechanical
An object in motion is exhibiting what type of energy?
1. Kinetic energy
2. Potential energy
- Chemical energy
- Electrical energy
Kinetic energy
Look at the diagram below. Which type of energy is inside the battery?
1. Electrical
- Mechanical
- Heat
- Chemical
Chemical
An electric motor converts electrical energy into —
1. thermal energy
- kinetic energy
- chemical energy
- light energy
Chemical energy
Which are examples of kinetic energy?
a book sitting on a shelf
a child running from her mother
a ball rolling down a hill
a runner waiting for the race to begin
a car driving down a street
a sleeping dog
A child running from her mother, a ball rolling down a hill, a car driving down a street
What is the best example of a machine that converts electrical energy into kinetic energy and sound energy?
1. An electric toothbrush
2. A flashlight
3. An iron
4. A toaster
An electric toothbrush
Which term does NOT describe a way in which heat is transferred?
1. Radiation
- Convection
- Conversion
- Conduction
Conversion
What process is occurring in the pot of boiling water?
1. Conduction
- Radiation
- Convection
- Induction
Convection
