What type of motor changes electric energy to mechanical energy?
electric motor
What is another name for a testable prediction?
hypothesis
What is the term for push or pull exerted on an object?
force
What is kinetic energy?
energy in the form of motion
True or False
windows are an example of passive solar heating
true
How are atoms in a magnet arranged?
Aligned according to magnetic poles
What is the name for a statement that describes what happens in nature?
Scientific law
What is the term that describes the amount of matter in an object?
mass
What is potential energy?
Stored energy due to position
Gas and diesel are what type of engine?
internal combustion engines
DAILY DOUBLE- this is worth 600 points
What is the name for the current that reverses direction in a regular pattern?
Alternating Current
What is the abbreviation for the International System of Units or Scientific Units?
SI
What is the term for the tendency of an object to resist change in motion?
inertia
An apple hanging in a tree is an example of what type of energy?
Potential
What is the name for the process by which an engine burns fuel?
combustion
What is the name for current that does NOT reverse direction?
direct current
What is the name for a factor that does NOT change in an environment?
constant
What is the term for speed at a given point in time?
instantaneous speed
What is the total amount of kinetic and potential energy in a system?
mechanical energy
True or false
Energy from the sun to earth is an example of RADIANT energy.
true
What is the device that increases or decreases voltage in a power line?
transformer
What is the name for an explanation of an event that is based on repeated observations and experiments?
theory
What is the formula for calculating speed? Name the words, not just the letters
speed=distance/time
What law states
"Energy cannot be created or destroyed"
Law of conservation of energy
What is the term that measures kinetic energy of the particles of a material?
temperature