The temperature in which all molecular motion stops.
Absolute Zero
100
The energy an object has based on it is position is?
Potential energy
100
What is a transfer of heat within a liquid or gas that involves warm particles moving in currents?
Convection
100
Give an example of a renewable resource
Solar, Wind, Geothermal, etc
100
A blanket is an example of an
Insulator
200
Heat will flow from a hot object to a cold object until the objects reach
The same temperature
200
A car slams on its brakes, producing friction between the tires and the road. Into which type of energy is the mechanical energy of the car converted?
Thermal Energy
200
What is the only form of heat transfer that can travel through the vacuum of space?
Radiation
200
The United States uses what energy resource the most?
Fossil Fuels
200
Metal is an example of a
Conductor
300
Which type of energy is temperature an example of?
Kinetic
300
Maya is playing the guitar. She strums the strings and the guitar produces noise. Maya is transforming _______ energy into _______ energy.
Kinetic into Sound
300
When hot and cold air meet, the hot air rises to the top. Which process causes the hot air to rise?
Convection
300
Give 2 negatives to nonrenewable resources
We will eventually run out.
It’s getting harder to find fossil fuels.
Creates Pollution
Nuclear energy creates radioactive waste (extremely dangerous).
300
Many of Earth’s nonrenewable resources are very rare. Other nonrenewable resources, such as coal, are abundant but not easily replaced. What would happen if we used up all the coal on Earth?
It would eventually run out.
400
What is the total energy of an object due to the random motion of its atoms and molecules?
Thermal Energy
400
Mechanical energy is a term that is used to describe
Both kinetic and potential energy
400
(In terms of thermal energy and temperature)Compared with the Pacific Ocean, a cup of hot chocolate has
Less thermal energy and a higher temperature.
400
Give 2 negatives for renewable resources
EXPENSIVE
Produces less electricity than fossil fuels.
400
This type of energy comes from rearranging atoms and molecules
Nuclear Energy
500
What are expansion joints and why are they important?
Expansion Joints are used in highways to prevent the concrete from cracking due to the expansion and contraction in the concrete.
500
A youth organization is having its annual pinewood model car race. The unpowered cars are lined up at the top of a hill and ready to begin. What gives the cars potential energy?
Gravity
500
Why do most pans or spatulas have a rubber handle?
Rubber is an insulator that prevents your hand being in direct contact with the hot metal.
500
Name one of the two ways of splitting the atom to create nuclear energy.
Fusion or Fission
500
The steam that spins the turbine in a nuclear reactor is a form of what type of energy?