a substance that cannot be reduced to a simpler substance
by chemical means
What is element?
100
the emission and propagation of the entire range of the
electromagnetic spectrum including: gamma rays, x-rays,
ultraviolet radiation, visible light, microwaves, and radio waves
What is Electromagnetic Radiation?
100
the pivot point of a lever
What is Fulcrum
100
a set of objects, organisms, or different parts acting to form
a whole
What is System?
200
the observed effect of the force of gravitation
What is Gravity
200
a subatomic particle having a positive charge and which is
found in the nucleus of an atom
What is Proton?
200
a fundamental principle stating energy cannot be created
nor destroyed but only changed from one form to another
What is Conservation of energy?
200
a type of simple machine; a slanted surface that makes it
easier to move a mass from a lower to a higher point
What is Inclined plane?
200
a procedure that is carried out in order to observe a
response caused by a stimulus; not a complete experiment
What is Investigation?
300
the property of an object, due to its mass, that causes it to
resist any change in its motion unless overcome by a force
What is Inertia
300
a subatomic particle having zero charge, found in the
nucleus of an atom
What is Neutral?
300
internal energy found by adding the kinetic energy of
particles making up a substance
What is Thermal energy?
300
a type of simple machine that consists of a rod driven
through the center of a cylinder that is allowed to rotate
freely, yielding a mechanical advantage equal to the
cylinder’s diameter
What is Wheel & axle?
300
he event, condition, or factor that can be changed or
controlled in order to study or test a hypothesis in a
scientific experiment
What is Variable?
400
amount of distance traveled divided by time taken; the
time-rate at which any physical process takes place
What is Speed
400
a stable elementary particle that is negatively charged and
orbits the nucleus of an atom
What is Electron?
400
energy stored in an object due to the object’s configuration and position
What is potential energy?
400
a change in direction of a wave that occurs as it passes
from one medium to another of different density
What is Refraction?
400
a plan of inquiry that uses science process skills as a tool to
gather, organize, analyze, and communicate information
What is Scientific method?
500
the lowest point on a wave
What is trough
500
the smallest unit of a chemical element that can still retain
the properties of that element
What is Atom?
500
the energy possessed by a body because of its motion