1.2 Matter & Energy Flashcards
Vocab
Matter
Stuff that has mass that takes up space
-wood, rocks, water …..
Measurement
Gives a # & unit to describe a physical quantity
Mass
How mush matter is in an object
Weight
how to measure mass
the force of gravity acting on a mass
Newtons
a unit of force
Volume
a 3D section of space that has length with and height
Graduated
regularly marked intervals
Meniscus
water that clings to the sides of the cylinder
Density
How much mass it packs in a given volume
Energy
measures the capacity for chang e
Densities
D = m/V
Radiant Energy
Visible light, microwaves, radio waves, x-rays
Mechanical Energy
energy that comes from position & motion
Nuclear Energy
atomic energy
atoms that change from one element to another
Electrical Energy
moves in electric currents that flow by (v)