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Science Factts

Involves using one or more of your senses-sight, hearing smell and sometimes taste Observation
Interpretations based on observation and prior knowledge Inferences
Factors that can effect the expirament variables
The variable the scientist is changing manipulated variable (independent variable)
the variable that changes as a result responding variable (dependent variable)
the standard against which you compare your results of your expirament control
the horazontal line titled with the manipulated variable x-axis
the vertical line titled with the responding variable Y-axis
(blank) is measured in meters and can be measured using a (length) meter stick
organisms that make their own food, also known as producers autotrophs
organisms that can't make their own food, they are known as consumers heterotrophs
an organelle found only in plant cells that captures energy from sunlight and uses it to produce food for the cell chloroplasts
cells capture energy from sunlight and use it to produce food photosynthesis
photosynthesis equation: CO2 + H20 -> C6H12O6 + O2
All of the living and non-living things that interact in a partiular area make up an ecosystem
the living parts of an ecosystem biotic factors
The non-living parts of an ecosystem abiotic factors
the things an organism needs to live grow and reproduce habitat
all the members of one species in a particular area are referred to as a population
all the different populations that live together in an area make up a community
an enviornmental factor that prevents a population from increasing limiting factor
(blank) obtain energy by breaking down waste and the remains of dead organisms decomposers
show the flow of energy from organism to organism. In general energy flows from producers to consumers to decomposers in an ecosystem food chains
an organism that consumes producers primary consumer
an organism that feeds on primary consumers secondary consumers
an organism that feeds on secondary consumers tertiary consumer
anything that has mass and takes up space matter
the ability to do work or cause change energy
one or more of ONE type of atom bonded together element
occurs when two or more elements are bonded together in a set ratio compound
two or more substances that are mixed together but not chemically combined mixture
can be observed without changing the substance into something else physical property
is observed when a substance interacts with another substance chemical property
a change that alters the form or appearance of a material but does not make it into another substance physical change
a change in matter that produces a new substance chemical change
a measurement of how much matter an object contains mass
mass is measured with a triple beam balance
the amount of space matter occupies is called volume
volume is measured with graduated cylinder
a physical property that relates the mass and volume of an object or material density
the smallest particle of an element atom
the force that holds two or more atoms together chemical bond
what are the three subatomic particles protons neutrons and electrons
the number of protons located in the nucleus of an atom atomic number
the total number of protons and neutrons in the nucleus of an atom atomic mass
a small positively charged particle in the nucleus of an atom proton
a high-energy negatively charged particle that moves in the space outside of the nucleus of an atom electron
a small uncharged particle found in the nucleus of an atom nuetron
found in the nucleus atoms mass
found out of the nucleus atoms volume
the column on the periodic table are groups/families
the rows on the periodic table periods
substances that enter into a chemical equation reactants
the substances formed during a chemical equation products
the energy rich substances formed from the remains of once living organisms and a non renewable resource fossile fuels
resources that take hundreds of millions of years to form non renewable resources
constantly being supplied such as sunlight water biomass material and wind renewable resources
resource so abundent or continuous that they do not require replacement inexhaustable resource
the process by which heat is trapped in the atmosphere by water vapor, carbon dioxide, and other gasses green house effect
divide the distance the object travels by the amount of time it takes to travel that distance (S=D/T) speed
speed in a given direction velocity
a relationship between two objects involving a push or pull force
when all forces acting on an object are equal and will cause a change in the object's motion balanced force
when all forces acting on an object are not equal and it will cause a change in the object's motion unbalanced force
The sum of all forces acting on an object net force
an object in motion or an object at rest will stay that way unless acted apon by an outside force. AKA Newtons first law of motion LAW OF INERTIA
the tendency of an object to keep doing whatever it is doing at the moment inertia
that the force on the object is equal to the mass on the object multiplied by the object's acceleration (F=MA) Newton's second law
states that for every action there is an equal and opposite reaction Newton's thrid law
The rate at which velocity changes. It involves increasing speed, decreasing speed, or changing direction Acceleration
The energy of position potential energy
the energy of motion kinetic energy
related to the motion or position of matter mechanical energy
two types of mechanincal energy potential and kinetic
also known as heat energy thermal energy
stored in the bonds between atoms; the energy is released when the bond is broken chemical energy
crust and upper most part of mantle is broken in to a number of large peices called plates lithosphere
According to the theory of (blank) the movement of the Earth's plates produces volcanoes mountain ranges earthquakes and features on the ocean floor plate tectonics
The three types of rock that are involved in the rock cycle sedimentary metamorphic and igneous
the hardness of a mineral is measured using Moh's Hardness scale
The way a mineral reflects light off of its surface is called luster
The movesment of particles from one location to another erosion
the process of rock being broken down into smaller peices weathering
water moves easily through materials when it is permeable
water does not move easily through materials impermeable
the (blank) energy comes from nuclear fusion Sun's
Earths (blank) are due to the tilt of the earths access resulting in either direct or indirect sunlight striking the earths surface seasons
the moon does not produce its own light; it reflects light from the sun
the moon appears to be increasing in size waxing
the moon appears to be decreasing in size waning
the moon appears to be less than halfway full cresent moon
the moon appears to be more than halfway full gibbous moon
The transfer of heat through direct physical contact is called conduction
The transfer of energy by electromaagnetic waves and does not require direct physical contact radiation
the transfer of heat by movement of currents within a liquid or a gasis called convection
a series of processes on and beneatht the earth's surface that slowly change rocks from one kind to another rock cycle
water on earth is recycled through a process known as the water cycle
the driving force of the water cycle is heat energy from the sun
an underground layer of rock or soil that stores water aquifer
when an object spins on its own access rotation
when an object travels around another object in an orbit revolution
controls what substances come in and out of the cell cell membrane
Plant cells have this organelle that shaped and supports the cell cell wall
directs all the cell activities nucleus
the genetic material of a cell found in the nucleus DNA
organelles that produce most of the energy the cell needs to carry out its functions mitochondrea
An organelle that carries proteins and other materials from one part of the cell to another Endoplasmic Reticulum
organelles that produce proteins inside of a cell ribosomes
an organelle that is the storage area of the cell vacuole
bacteria cells are called (blank)because they do not have a nucleus prokaryotes
cells that contain a nucleus eukaryotes
Created by: HC7