VOCAB
the sum of kinetic and potential energy of all the particles that make up that object
what is thermal energy?
energy an object possesses based on its position and mass
what is potential energy
transfer of thermal energy by collisions between the particles that make up matter
what is conduction
what is radiation
the measure of the average kinetic energy of the particles that make up that object
what is temperature
Kinetic energy can be calculated from what two measurements
velocity and mass
Where would a car traveling on a roller coaster have the most potential energy?
at the top
transfer of thermal energy in a fluid by the movement of warmer and cooler fluids
what is convection
energy that is transferred by radiation
what is radiant energy
the amount of heat needed to raise the temperature of 1 kilogram of that material by 1 degree Celsius
what is specific heat
What is the standard unit of measurement for kinetic energy
joules
Gravitational potential energy is the potential energy of an object based on its __________.
what is height and mass
how does the transfer of conduction occur
conduction spreads thermal energy from warmer areas to cooler areas
Radiation exposure is a measure of the ionization of air due to ionizing radiation from photons; that is, gamma rays and X-rays
what is radiation exposure
energy that is transferred between objects due to a temperature difference between those objects
what is heat
True or False: Kinetic energy is a vector measurement because it has both a magnitude and direction.
false
Which of the following formulas is used to find gravitational potential energy?
GPE = m * g * h
Unit of rate of heat transfer is
what is watt
how can radiation harm the body
Low levels of radiation are not dangerous, but medium levels can lead to sickness, headaches, vomiting and a fever. High levels can kill you by causing damage to your internal organs. ... Exposure to radiation over a long time can cause cancer.
the measurement of matter
what is mass
What would happen to the kinetic energy of an object if you doubled the mass?
kinetic energy would be doubled
how much potential energy does Sally have when she has a mass pf 20kg at a height of 10 meters
2000 joules
Thermal conductivity is maximum for which substance
what is a diamond
Radiation treatment, sometimes called radiotherapy, uses high-energy rays to pinpoint and destroy cancerous cells in your body
What is Radiation Treatment