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unit 1 vocab words
words
45
Biology
9th Grade
09/22/2010

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Term
science
Definition
a method of questioning and testing that is repeatable
Term
experiment
Definition
a test
Term
data anaylsis
Definition
what trend or patterns can you find in the data
Term
produce
Definition
list te steps that you use so someone else can repeat it exactly like you
Term
material
Definition
what are you using to do the experiment
Term
hypothesis
Definition
what do you think going to happen when you do it
Term
purpose
Definition
why are you doing this
Term
accuracy
Definition
hitting target number
Term
hypothesis
Definition
what do you think going to happen when you do it
Term
organism
Definition
a living thing
Term
conclusion
Definition
what does it all mean
Term
investigative
Definition
what would you like to know more about
Term
independent variable
Definition
it lies alon the x axis which is the thing being mesured
Term
dependent variable
Definition
lies along the y axis which is the measure ment
Term
quantitative observation
Definition
something thats a pair
Term
qualitative observation
Definition
to describe something in many words
Term
precision
Definition
the same value over and over
Term
control group
Definition
a group
Term
cell
Definition
the smallest independently working living thing
Term
homeoastsis
Definition
the ability to keep their enviroment balance
Term
7 characteristics of living things
Definition
1)made of cells
2)grow and develop
3)reproduces
4)maintains homestasis
5)has a mechanism for heredity
6)responds to enviroment
7)uses energy and matter metabolism
Term
controlled variable
Definition
variable that stays the same
Term
title
Definition
a headline of a story and or a name of something
Term
x axis
Definition
horizantal axis on an graph
Term
units
Definition
measurement terms
Term
y axis
Definition
vatical axis on graph
Term
dry mix
Definition
dependent variable
independent variable
y axis
manipulated
independent
x axis
Term
energy
Definition
The ability to do work.
Term
Reactant
Definition
A substance that reacts (is used) in a chemical reaction.
Term
Product
Definition
A substance that is produced in a chemical reaction.
Term
Chemical Reaction
Definition
A process that results in substances forming or breaking into new substances.
Term
Autotrophs
Definition
An organism that is able to produce its own food.
Term
Heterotrophs
Definition
An organism that obtains its energy by eating other organisms.
Term
Chloroplast
Definition
A double-membrane organelle in plant and some protist cells that is the main site of photosynthesis.
Term
Photosynthesis
Definition
The process of converting light energy to chemical energy; in the process, carbon dioxide and water are converted into oxygen and sugars.
Term
Thylakoid Membrane
Definition
A membranous sac within chloroplasts on which the light reactions of photosynthesis occur.
Term
Grana
Definition
The stacks of thylakoid membranes within chloroplasts.
Term
stroma
Definition
The space between the grana in a chloroplast.
Term
photon
Definition
A particle of light.
Term
Chemical Bonds
Definition
A strong attractive force between atoms that holds them together. The attractive force comes from sharing or transferring their outermost (valence) electrons.
Term
ATP
Definition
Short for adenosine triphosphate; the energy molecule of a cell.
Term
NADPH
Definition
An energy-carrying molecule in a cell.
Term
How does life on earth depend on photosynthesis?
Definition
light energy to chemical energy; in the process, carbon dioxide and water are converted into oxygen which mean we need it to survive
Term
Light Reactions
Definition
A set of chemical reactions that occur in the stroma of chloroplasts during photosynthesis.
Term
Calvin Cycle
Definition
Also known as light-independent (dark) reactions, a set of chemical reactions that occur in the stroma of chloroplasts during photosynthesis.
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