Vocabulary
Define kinetic energy.
Energy that results from motion.
What is kinetic energy?
Energy of an object's or particle's motion
Give an example of a nonrenewable resource.
Oil, coal, nuclear power
What are 2 of the 3 types of units used to measure heat?
Kelvin, Celsius, Fahrenheit
What is the type of waves on the electromagnetic spectrum can we see?
Visible light
Define potential energy.
Energy that is due to its position. (non-moving)
Turning on a flashlight releases ____________ energy.
Give an example of a renewable resource.
Biomass, hydroelectric (water), solar, wind, geothermal
What is conduction?
The transfer of thermal energy between particles that collide with each other
Pan on the stove
Define fossil fuel
A fuel formed from the remains of ancient organisms.
Energy that is stored in a substance is its ____________________.
Potential Energy
Which nonrenewable resource (coal, oil/natural gas, nuclear) comes from the remains of marine organisms?
Oil/Natural Gas
What is convection?
the transfer of thermal energy by the movement and mixing of particles
water in the pot rotating
What can gamma rays possible kill?
Certain types of cancer
Define electromagnetic waves.
Waves created by vibrating electrical charges that can travel through matter or space.
Give an example of thermal energy.
Answers vary. Needs to have something with heat.
What is the difference between nuclear fission and nuclear fusion?
Nuclear fission separates uranium and nuclear fusion fuses 2 uranium together
0 degrees Celsius
What is frequency?
The number of wavelengths that pass a given point in 1 second.
Energy cannot be created or destroyed.
Which energy is the most used by humans? (mechanical, thermal, chemical, nuclear, radiant)
Chemical
What is 1 advantage and 1 disadvantage of using hydroelectric power?
Advantage: sun drives the water cycle, creates no pollution, very efficient
Disadvantage: limited by number of waterways, disrupt ecosystems around the dam
Convert 25 degrees Celsius to Fahrenheit?
77 degrees Fahrenheit
What is amplitude?
The amount of energy a wave carries