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science
words
18
Science
6th Grade
11/30/2010

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Term
Cells
Definition
cells are the basic unit of life. Cells are the buliging blocks of life.
Term
Obtain & Use Energy
Definition
Example- Respiration, digestion, excretion, metabolism( exchange of gases-Resiration) (absorbing nutrients-digestion) ( getting rid of waste-excretion)(coverting fuel into energy-metabolism)
Term
Reproduce
Definition
Muat be able to make more of its species or else the species will die, become extinct
Term
Growth, Devolopment, and Movement
Definition
(nails, hair cells growing constantly) (living things are born and they eventually die; going through the life cycle. infant baby toddler child adolescant teen grown up middle age senior),(Heart is always beating eyes are blinking, organs digesting, blood circulates, lungs breathing)
Term
Adapt
Definition
Respond to enviorment living things make changes to adapt to their surrondings or they will not survive

Bears hibernate, birds fly, chamoleons change color of their skin to blend in with the surroundings so they won't be eaten by predators; rattlesnakes rattle to scare away enemies.
Term
scientific method
Definition
a plan, a method, procedure, that scientients follow to solve a problem. It was devoloped over centeries by everyone
Term
Hypothesis
Definition
a possible answer to a scientific question. It is often called an educated guess because you use clues tgat you have read or observed to form the hypothesis. the hypothesis is usually an if statement
Term
Theory
Definition
the best explantion scientist have to explain something. A theory has not been proven, but all evidence seems to indicate it is true
Term
Experiment
Definition
an experiment is a test. it tests the hypothesis. An experiment is always done in duplicates
Term
Control
Definition
the control is the basis for comparison. It stays the same, constant
Term
Variable
Definition
the variable is the one factor that can change an experiment, it is the one factor that is fifferent it is the factor being tested
Term
Conclusion
Definition
reports the results of the experiment and states whether or not the hypothesis is proven to be true or not
Term
Steps of the scientific method
Definition
1) State the probem
2) Gather information, do reasearch
3)Form a hypothesis
4) Perform a hypthesis
5) Record and analyze data
6)Reach a conclusion
7) Repeat the process
Term
Metric unit
Definition
the metric system is a system of measurement that is used by scientist all over the world. Most countries only use the metric system. In the United States, we use the English system.
Term
Lenghth
Definition
In the metric system, the meter is the basic unit of length. We use a meter stick to measure lenghth
Term
Weight
Definition
In the metric system,the gram is the basic unit of mass. we use a triple beam balence scale to measure mass
Term
Liter
Definition
In the metric system, the liter is the unit of volume. We use a graduated cylinder to measure volume
Term
Metric Unit Ladder
Definition
1. Kilo-1000
2. Hecto-100
3. Deca-10
4. Gram, Liter, Meter-1
5. Deci-1/10
6. Centi-1/100
7. Milli-1/1000
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