Potential
How does an object's position affect its potential energy
the higher an object is relative to a reference point, the greater its potential energy due to gravity;
What are the potential applications of fusion energy technology
generate electricity as a clean, sustainable energy source
How does the movement of particles relate to thermal energy
the faster particles move within a substance, the higher its thermal energy;
What factors influence an object's kinetic energy
mass and speed
What are the different types of potential energy, and give an example of each (e.g., gravitational, elastic, chemical)
How does quantum mechanics relate to energy at the atomic level
Quantum mechanics explains how energy at the atomic level is "quantized," meaning it can only exist in discrete, specific values
What are the three primary methods of heat transfer (conduction, convection, radiation
conduction, convection, and radiation.
How is kinetic energy measured, and what are its units?
Joules (J) in the International System of Units (SI)
When does an object have the most potential energy in a given situation
when it is at its highest point relative to a reference point
air pollution, climate change due to greenhouse gas emissions, water pollution, land use disruption, and thermal pollution
Why do metals feel colder to the touch than wood, even if they are at the same temperature
metals have a much higher "thermal conductivity" which means they conduct heat away from your body much faster than wood
How does the theory of relativity affect our understanding of kinetic energy at very high speeds
, the kinetic energy of an object increases dramatically
Can an object have potential energy without any visible movement
Yes, an object can have potential energy without any visible movement
What are the main renewable energy sources and how do they work
solar power (from sunlight), wind power (from wind movement), hydropower (from flowing water), geothermal energy (from heat within the Earth), and b
Explain how heat is transferred from a hot stove to a pot of water placed on it
primarily through conduction
sum the individual kinetic energies of each object within the system
What is the key difference between potential energy and kinetic energy
potential energy is stored energy due to an object's position or state, while kinetic energy is the energy of an object in motion
What is the concept of "dark energy" and how is it studied
a term used to describe the mysterious force causing the universe's expansion to accelerate, essentially pushing galaxies further apart, and is studied by observing the brightness and redshift of distant objects like Type Ia supernovae to measure the expansion rate of the universe over time, revealing the presence of this accelerating force which we cannot directly see or measure
What is thermal energy, and how is it different from temperature
Thermal energy refers to the total kinetic energy of all the particles within a substance, while temperature measures the average kinetic energy of those particles
What is kinetic energy and how is it defined
the energy an object possesses due to its motion, meaning it is the energy of movement; it is defined by the mass of the object and its velocity (speed)