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28 Cards in this Set

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What is the Scientific Method in order?
1. Recognize the Problem
2. Form Hypothesis
3. Plan Experiment
4. Test Hypothesis
5. Observe and Record
6. Analyze Data
7. Draw Conclusions
How do you state a hypothesis?
In a "If, Then" statement.
This is what's being changed in an experiment.
Independent Variable
This is wha't being measured in an experiment.
Dependent variable
Things you keep the same in an experiment to keep fair.
Constant
Anything that has mass and takes up space
matter
the study of the properties of matter and how matter changes
chemistry
a single kind of matter that is pure
substance
a characteristic of a pure substance that can be observed without chaging it into a substance
physical property
a characteristic of a pure substance that describes its ability to change into different substances
chemical property
is a pure substance that cannot be broken down into any other substances by chemical or physical means
element
is the basis particle from which all elements are made
atom
a force of attraction between two atoms
chemical bond
groups of two or more atoms held together by chemical bonds
molecules
shows the elements in the compound and the ratio of atoms
chemical formula
made of two or more substances that are together in the same place but are not chemically combined
mixture
you can see the different parts
heterogeneous mixture
so evenly mixed that you can't see the different parts
homogenous mixture
an example of a homogeneous mixture
solution
a pure substance made of 2 or more elements chemically combined in a set ratio
compound
observing things with your SENSES
Qualitative
observing by counting or measuring objects using NUMBERS
Quanitative
Quanitative or Qualitative? hot outside
Qualitative
Quanitative or Qualitative? 45 hours
Quanitative
Homogeneous or Heterogenous?
Spaghetti with meatballs
Heterogenous
Homogeneous or Heterogenous?
Vanilla Pudding
Homogeneous
Physical or Chemical?
Water Frozen
Physical
Physical or Chemical?
Iron rusts
Chemical