States of matter
Name 3 states of matter
solid, liquid, gas
A membrane bound structure that is the basic unit of life
Cell
Atomic Mass
The protons and neutrons account for almost all of the mass of an atom.
Physical properties
is any object that is able to be tested on without changing the substance
Three layers of earth
crust, mantle, core
If the pressure upon a gas increases, the volume
decreases
The region of the cell between the cell membrane and the nucleus
Cytoplasm
Atomic Number
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Chemical change
the result of a new substance when mixing two substance and getting a new substance
What is radiation
the transfer of energy through space
While a liquid is boiling, does its temperature increase, decrease, or stay the same?
stays the same
What is the cell theroy (three principles)
1. All living things are made up of cells
2.Cells are the basic units of structure and function in living things
3. New cells can only come from old cells
What is Chemical Period
A period 1 element is one of the chemical elements in the first row (or period) of the periodic table of the chemical elements.
What is the difference between physical and chemical properties?
A physical property is an aspect that can be observed or measured without being changed. A chemical property may only be observed by changing the chemical identity or substance.
Pangaea
large, ancient landmass that was composed of all the continents joined together
A liquid has a definite ________ but no definite ________.
volume, shape
Internal cellular structures that are specialized to carry on paticular funtion are called?
organelles
What is Halogen?
any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table.
Surface Tension
the force that acts on particles at the surface of a liquid
divergent plate boundary
a boundary where plates are spreading apart
Compare and contrast sublimation with deposition
Sublimation is when a solid changes directly to a gas. Condensation is when a gas changes directly to a solid. Neither uses the liquid state.
What are the three components of the cytoskeleton?
1. Microtubules
2. Microfilaments
3.Intermediate Filaments
What did Dmitri Mendeleev do? How did Mendeleev do it?
He created his own periodic table of elements.
He arranged the elements into a pattern that showed how they reacted similarly.
Buoyancy
describes the tendency of a substance to float in water or another fluid
strike-slip fault
a type of fault where rocks on either side move past each other sideways with little up or down motion