Card Set Information
what animal feeds on refuse and dead organic matter?
what animal feeds on other animals?
an organism such as a fungus that obtains nutrients from decaying plants and animals and hastens their decompositon
the kind of energy that an object has because of its position or condition
the energy obtained from heat in the interior of the earth
the resistance to motion of two moving objects or surfaces that touch
on a celsius thermometer the number of degrees between the freezing point of the boiling point of water is
a vector is used to represent force. the arrow of the vector indicates its
the process that most directly results in cloud formation is
the smallest particle that still retains the characteristics of copper is
when salt is added to water the freezing point of tghe water is ?
fungi that live off of dead or decaying organic matter are classified as
ordinary table salt is an example of a
the planet closest to the sun is
the color of a star indicates its
the function of white blood cells is to
destroy harmful microorganisms
the earth spins around on its
the distance between successive identical parts of a wave is called the wave's
protein is a compound made up of
6 types of simple machine, what are they
wheel and axel
the process of photosynthesis requires the presence of
chlorophyll (the green pigment in plants) and sunlight
two methods of asexual reproduction are
binary fission (by dividing a cell) and budding (pinching of an organism that develops into another)
burning you finger by touching a hot pot is an example of heat transfer by
the bending of light waves when they pass from air into water is an example pf
during the process of transpiration, moisture leaves a green plant through the surface of a
a lack of Vitamin D is related to a condition called
vitamin D is also known as
a problem caused by a lack of Vitamin C
a disease caused by lack of iodine
a disease caused by lack of vitamin B
substances that hasten chemical reaction time without themselves undergoing change are called
is concerned with the circulation of the blood and the lymph
eustachian tube, the cochlea, the tiny bones called the anvil and stirrup and the semicircular canals are all parts of what part of the human body?
-273 C is equal to what on the Kelvin temperature scale?
212 F does what to water
not the arrow but the length of the line segment represent what of the vector?
what refers to the rate of which an object changes directions?
moisture in the atmosphere that condenses until it is heavy enough to fall as rain or snow
the process by which plants give off water vapor through the surfaces of their leaves
the method by which heat or light energy is emitted in the form of waves or particles
what is the smallest particle of an element that still acts like that element
what is composed of one or more atoms? that the atoms may all be of the same element or can be from different elements forming a compound?
what is the smallest part of a particular substance that still acts like the substance
What is a particle in the interior of an atom.? it is located in the nucleus of the atom and carries a positive electric charge
what is a particle in the interior of an atom? it orbits the nucleus and carries a negative electric charge
a type of mixture when one substance is dissolved in another substance. (chloride +water= bleach)
the mixture of of metals or a metal and a nonmetal.
mercury, venus, earth, mars, jupiter, Saturn, Uranus, Neptune, pluto
planets from the sun
red blood cells do what?
they carry oxygen to the body cells and also carry carbon dioxide away from body cells
amplitude of a wave is what?
the height of the crest that the wave reaches above or below the mean position.
the frequency of a wave is what?
the number of wave crest that move past a certain location in a certain time period
proteins do what?
they serve as building or rebuilding units
what do carbohydrates do?
they produce energy
fats in the body
simple machines are?
lever, the wheel and axel, the pulley and the incline plane
a battery produces electric current by?
chromosomes and DNA are required for?
is a product of photosynthesis , not something needed for it to occur
mitochondria are required for the process of?
is a normal process of cell division. chromosomes in the nucleus are duplicated the split each have the same amount of chromosomes as the parent/
the chromosomes pairs split apart, and each dauther cell has only half as many chromosomes as the parent cell
convection is when
heat is transfered within liquids or gases when those liquids or gases are heated unevenly.
the preventing of heat or light from one conductor to another by separting the two with some conducting substance
magnitude is a measurement of what?
sound and light
stomata is found on what part of a branch
biodiversity is ?
it describes the presense
is a technique used to study the gene sequence in the DNA of humans and other species.
Center of Gravity is ?
the point within an object where there is an equal amount of mass in all directions
as the pressure of a fixed mass of gas increased at constant temperature , the density of that gas?
a _____ changes the voltage in power lines
a motor transform electrical or chemical or heat energy into what type of energy?
the human heart consist of how many chambers?
4 right and left atria and right and left venticles
water and carbon dioxide make?
sugar in the photosynthesis process.
the three layers of the earth are?
crust, mantle, core
a huge piece of earths curst that floats on top of the mantle are known as
a crustal plate sliding beneath another which are usually earthquake and volcanoes zones are known as?
a term used to describe the part of Earth where life can exist, also a term for all living things and their environment
different types of matter that are located near each other but are not chemically bound to each other is known as
a change in state from liquid to a solid is called?
what is an epicenter
the point on earths surface directly above the focus of the quake
a high pressure center is generally characterized by weather that is
cool and dry
the main source of dissolved salts in the ocean is ?
minerals carried from the land by rivers ( minerals from rocks eroded by the rains)
Scientific Method has 5 steps which are?
5. law or principle
the parts of cells are known as
organelles (little organs)
What holds the cell together and controls the selective passage of certain materials into and our of the cell
the living material of the cell lying within the cell membrane but outside the cucleus
the control center of the cell which carry genetic or hereditary material of the cell
includes glands that regulate growth, blood pressure, etc.
brings oxygen to cells and remove waste products from them
removes wastes from the body(excremento)
light passes through the pupil then the cornea and lens(which turns the image upside down) then the retina which flows into the optic nerve to the brain(where it is flipped again and recognized
geology is the study of
the formation and composition of the earth. ( useful for the design and construction of large scale buildings and bridges.
1. arctic tundra
3. deciduous forests
1. treeless plains, vast trenches
2. coniferous(evergreen) forests (canada)
3. regions with relatively temperate climates(mild)
Meteorology is the study of
weather and climate
Matter is defined as anything that occupies
space and has mass
is the is the quantity of matter it possess and at times has a unit of weight assigned to it.
newtons first law
if the net force acting on an object is zero, the velocity of the object does not change
newtons second law
if the net force acting on an object is NOT zero the object will be accelerated in the direction of the force
newtons third law
when one object exerts a force on a second object the second object exerts an equal and opposite force on the first object ( ACTION EQUALS REACTION)
the force which keeps an object moving around a circle in a circular path
6 simple machines are
pulley, lever, wheel and axle, inclined plane, screw and wedge
3 types of heat transfer
conduction, convection and radiation
Silver is the best metal _________.
Direct Current (DC) is?
the flow of current in one direction at a constant rate
Alternating Current(AC) is
current that goes through a cycle (zero to max speed in one direction then slows down then zero to max speed in the opposite direction)
the electrode that is positively charge is called an
electrode that is negatively charged is called
Mitochondrion is the
power house of a cell involved in cellular respiration
a site of protein synthesis within the cell they are in the cytoplasm
golgi body golgi apparatus do what?
store and transports materials formed in other parts of the cell
lysosome is a sacklike structure that ?
releases the enzymes within the cell
the atomic number is based on how many ________are in the nucleus
the atomic mass is based the number of ________ and ________in the nucleus
protons and neutrons
there are 3 states of matter what are they?
gas, liquid, solid and the fourth state is plasma (very hot ionized gases)