Test 1 Flashcards
(28 cards)
Steps of The Scientific Method
1 Ask question 2 Create hypothesis 3 Test hypothesis 4 Analyze data 5 Draw conclusion 6 Share results
Data that uses words
Qualitative Data
Data that uses numbers
Quantitative Data
Something that is changed deliberately
Independent variable
Something that is changed by the Independent Variable
Dependent variable
Things that have to stay the same in the experiment
Constants or Controls
When writing a lab report you need to do these 7 steps
Pre-Lab 1 Title 2 State the problem 3 Materials 4 Procedure 5 Hypothesis Post-lab 6 Results 7 Conclusion
Anything that has mass and takes up space
Matter
A small particle that is a build block of matter
Atom
Matter with a composition that is always the same
Substance
A substance that consists of only one type of atom
Element
A type of substance containing atoms of two or more different elements chemically bonded
Compound
Matter that can vary in composition
Mixture
A type of mixture that the substances are not evenly mixed
Heterogeneous Mixture
A type of mixture that the substance are evenly mixed
Homogeneous Mixture
To form a solution by mixing evenly
Dissolve
A characteristic of matter that you can observe without changing the identity of the matter
Physical Property
The amount of matter in an object
Mass
The mass per unit of volume of a substance
Density
The ability for on substance to dissolve into another
Solubility
Change in shape,size,form,or state of matter in which the matter’s identity stays the same
Physical Change
Characteristics of matter that can be observed as it changes to different type of matter
Chemical Property
A change in matter in which the substances that make up the matter change into other substances
Chemical Change
Parts of an atom
nucleus contains- protons neutrons
Electrons
