Electricity
Power is measured in
Watts
When falling H2O mixes with SO4 it is called
acid Rain
The first element on the periodic table is
Hydrogen
Force equals
mass X acceleration
The study of the environment is called
ecology
Some that prevents the flow of electrons is called
an insulator
The gas layer that protects the earth from uv-rays is called
The ozone layer
Density equals
mass / volume
Objects in motion . . .
stay in motion
A hypothesis is
an educated guess
Good electrical conductors include what metals?
cooper, silver, gold, Aluminum
What is the lithosphere?
The crust and the upper mantle of the earth
A liquid with a ph level of 9 is
a base
The force of gravity on earth is
4.19 newtons
When the ground is always frozen it is called
permafrost
What are the two kinds of electrical circuits?
Parallel & Series
The study of rocks is called
geology
What gases create greenhouse gases (2)
carbon dioxide, methane, nitrous oxide
The law of ____________ say that things don't like to change
inertia
What are the three parts of an atom?
Proton, electron, neutron
Three sources of clean electricity include
wind, solar, hydro, tidal
Having many species in one area is called
biodiversity
When you mix an acid and a base you get
a chemical reactions (often explosive)
Every action produces
an opposite and equal reaction
Abiotic means
an object that has no life (not alive)