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Mr. Hobbs 7th Grade Final
Study For the Final
29
Science
7th Grade
06/14/2010

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Term
science
Definition
a way of learning about the natural world
Term
observing
Definition
using one or more of your senses to gather information
Term
Quantitative observations
Definition
deal with a number or amount
Term
Qualtitative observations
Definition
deal with descriptions that cannot be expressed with numbers
Term
Inferring
Definition
explaining or interpreting things you observe
Term
Predicting
Definition
making a forecast of what will happen in the future based on past experience or evidence
Term
Classifiying
Definition
the process of grouping together items that are alike in some way
Term
Making models
Definition
involves creating representations of complex objects or processes
Term
Life science
Definition
the study of living things
Term
Scientific inquiry
Definition
the diverse ways in which scientists study the natural world and propose explanations based on the information they gather
Term
Hypothesis
Definition
a possible explanation for a set of observations or answer to a scientific question
Term
Variables
Definition
factors that can change in an experiment
Term
controlled experiment
Definition
an experiment in which only one variable is manipulated at a time
Term
Manipulated variable
Definition
the variable that is purposely changed to test a hypothesis
Term
Responding variable
Definition
the factor that may change in response to the manipulated variable
Term
Operational definition
Definition
is a statement that describes how to measure a variable or define a term
Term
Data
Definition
the facts, figures and other evidence gathered from observations
Term
Communicating
Definition
the sharing of deas and findings with others throough writing and speaking
Term
Technology
Definition
how people change the world around them to meet their needs and solve practical problems
Term
Engineer
Definition
a person who is trained to use both technological and scientific knowledge to solve practical problems
Term
Abdomen
Definition
the hind section of an arthropods's body that contians the reproductive organ and part of its digestive track
Term
Active immunity
Definition
An immunity that occurs when a persons own immune system produces antibodies in respons to the presence of a pathogen
Term
Active transport
Definition
movement of materials through a cell membrane using energy
Term
Adaptation
Definition
a behavior or physical cahracteristic that allows and organism to survive and reproduce in an environment
Term
AIDS
Definition
a disease cause by a virus that attacks the immune system
Term
Algae
Definition
Plantlike protists
Term
Alleles
Definition
different forms of a gene
Term
Amino acid
Definition
a small molecule thats is linked chemically to other ammino acids to from proteins
Term
Bacteriophage
Definition
a virus that infect bacteria!
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