matter
periodic table
scientific method
100
oxygen
What is easy to find in the air?
100
a pure substance
What is a substance without any other type of particle in it?
100
the scientific method
What is the procedure that you need to do and experiment?
200
a liquid
What is a state of matter that particles that is moving kind of freely?
200
a mixture
What is a substance that has more than one type of particle?
200
a hypothisis
What is the scientific word for prediction called?
300
a solid
What is a state of matter that particles are tightly packed?
300
when you separate a substance
What is chromotography?
300
a procedure
What is the steps for an experiment?
400
a subilation
What is it called when a solid changes to a gas without first becoming a liquid?
400
chopping wood or ripping paper are examples of this change
What are examples of a phiscal changes?
400
conclusion
What is the information collected from an experiment
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