Mix 1
what is the last step of the scientific method
communicate
Length is
the distance between two points
Meters is
a common unit of measurement
Amount of substance is
the number of atoms or molecules in a sample of material
mass is
the amount of matter in an object
hypothesis must be
testable
Measurement uses
numbers to describe processes and events
luminous intensity is
the measure of light intensity coming from a source
electric current is
the flow of charges
cubit has been identified as
one of the earliest recorded measurements
the three main branches of science are
life, earth, and physical
SI unit for measuring electric currents is
Ampere (A)
SI unit for temperature is
Kelvin (k)
SI base unit for amount of substance is
Mole (mol)
how many laws of motion are there
3 LAWS
collecting data allows a scientist to
record their findings
SI base unit for luminous intensity is
Candela (cd)
the distance traveled per unit of time is
speed
the formula for speed is
speed= distance over time
who is Sir Isaac Newton
the creator of the laws of motion
conclusion requires the scientist to
summarize the experiment
Newton´s first law of motion is when....
an object at rest remains at rest and an object in motion remains in motion at a constant speed and in a straight line unless acted on by an unbalanced force
Inertia is ....
the tendency of all objects to stay at rest or in motion
friction is a ..........................................................
force that opposes motion between 2 objects that are touching
Force is ..............................................................
a push or pull