The easiest way to get started
Quiz yourself by typing answers
Hear the words and type them in
Multiple choice, true/false, matching
Match terms as fast as you can
Defend Earth from alien invaders
The law of conservation of energy states...
Energy is not created or destroyed in changes of state
The second law of thermodynamics states...
Heat randomly flows from high to low temperatures
The characteristics used to describe a population...
Geographic distribution, density, and growth rate
This characteristic doesn't effect population size...
Number of individuals per family
The changing of one element to another is...
The vibration of electrons emit...
Radio waves, infrared waves, and light waves
When a forces acts on an object and the object moves in the direction of the forces, it's known as...
What two things does work involve?
Distance and force
Forms of mechanical energy are...
Kinetic energy, chemical energy, gravitational energy, and potential energy
Generators produce this type of energy
Generators convert this type of energy into another type of energy
This is not a fossil fuel
Mixtures of clay and sand combined with water and varying amounts of bituma is known as...
High frequency of electromagnetic radiaton emitted by radioactive elements are called...
When scientists talk about the average kinetic energy per molecule, they're talking about...
Consider a sample of water at 2 degrees celsius. If the temperature is increased by one degree, then the volume of the water...
The main reason one can walk barefoot on red hot wood coals without burning their feet has to do with...
The low thermal conductivity of the coals
The event of electrical forces overwhelming strong nuclear forces and the nucleus splitting
Unit of measurement that combines forces and distance
Non-renewable energy source
Renewable energy source
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see