Chemistry
Boiling Point
What is the temperature a liquid boils and turns into gas.
The law of electrical charges?
Like charges repel from one another while
unlike charges attract to one another
what is small pieces of rock flying through space with no particular path
Population
what is a group of organisms of the same species populating a given area
Chemical Change
what is irreversible chemical reaction involving the rearrangement of the atoms
Define Insulator
what is a substance in which electrons cannot move freely from atom to atom
Solar Eclipse
what is the moon, passing between the sun & earth, casts a shadow on earth
Atmosphere
what is something containg all the air of the earth
H stands for
What is Hydrogen
Define conductor
what is a substance in which electrons can move freely from one atom to another
Lunar Eclipse
what is earth, passing between the sun & the moon, casts its shadow on earth
Ecosytems
community of living species and physical environments
how many alkali metals are there
define charging by induction
what is a charging a neutral object by bringing another charged object close to it but not touching the neutral object.
our Natural Satellite
What is the moon
Omnivore
what is animal that eats both plants and animals
if the atomic weight of an element is 15.999 what is the element?
What is Oxygen.
what is the equation for measuring a current?
what is I=V/R
What is the sun?
A star made of gas, mainly hydrogen.
food Chain
what is a community of animals where each thing is eaten in turn by another member
Ends with the top predator