Spring Semester Exam Review SSMS 2018
What should you do if you are not sure what you should be doing during a lab
activity? - CORRECT ANSWER-Read directions first and then ask your teacher.
How do you dispose of chemicals in the lab? - CORRECT ANSWER-Follow
teacher's instructions.
What is MASS? - CORRECT ANSWER-The amount of matter in an object.
What is the correct format for writing an hypothesis? - CORRECT
ANSWER-If...then
In an experiment, the one variable that is changed by the investigator on purpose
is called the - CORRECT ANSWER-independent variable
In an experiment, the factor or variable that we measure is called the -
CORRECT ANSWER-dependent variable
science, an educated guess is called a/an - CORRECT ANSWER-hypothesis
Another name for the INDEPENDENT variable is - CORRECT
ANSWER-manipulated variable
Another name for the DEPENDENT variable is - CORRECT
ANSWER-responding variable
When graphing our data, on which axis does the INDEPENDENT variable go
along? - CORRECT ANSWER-X-axis
When graphing our data, on which axis does the DEPENDENT variable go
along? - CORRECT ANSWER-Y-axis
What TOOLS are used to measure LENGTH? - CORRECT ANSWER-ruler,
meter stick, tape measure
, How do you find the DENSITY of an object & what is the correct unit? -
CORRECT ANSWER-mass/volume g/cm3
What is MASS? - CORRECT ANSWER-The amount of matter in an object.
What TOOL do we use to measure the MASS of an object? - CORRECT
ANSWER-Triple beam balance
s burning paper an example of a CHEMICAL or PHYSICAL change and WHY? -
CORRECT ANSWER-Chemical because the paper is CHANGED into some
thing new. (ash and gas)
The smallest particle and building block of matter is a(n) - CORRECT
ANSWER-atom
The mass of the substances reacting to one another (reactants) is
_____________________________ the mass of the substances produced
(products) after a chemical reaction. - CORRECT ANSWER-equal to
List the products or results that indicate that a chemical reaction has occurred. -
CORRECT ANSWER-1. temperature change
2. gas formation-bubbles; fizzing
3. color change
4. light or odor given off
5. precipitate forms
*Only sure evidence is a NEW SUBSTANCE!
Using one word only, give five (5) common PHYSICAL CHANGES. - CORRECT
ANSWER-1. freezing
2. dissolving
3. evaporating
4. boiling
5. tearing
All matter is either a ____ or a ______. - CORRECT ANSWER-substance or a
mixture
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