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Unit 1 Review!!!
Test Description: Unit 1 6th Grade Science!
Instructions: Answer all questions to get your test result.
1) You should wash your hands after
A
All of the Above
B
Handling one of the class pets
C
Touching a plant in the classroom
D
Working with chemicals
2) Its ok to wear open toe shoes or sandals in the lab
A
True
B
False
3) What type of eye cover is acceptable to wear during chemistry labs?
A
helmets only
B
glasses that have wrap-around side coverage
C
Your glasses will be enough if you have any
D
Approved safety goggles only
4) Your lab partner notices a tiny crack in a beaker that you are heating over a Bunsen burner. What do you do?
A
do nothing, and hopefully it does not break
B
Put some duct tape on it, duct tape fixes everything
C
stop everything and notify the teacher immediately
D
get another beaker
5) The one variable that scientist changes during an experiment; Also called the Manipulated Variable
A
Changed
B
Controlled
C
Dependent
D
Independent
6) Janice noticed that the Squirrels tail was short and bushy, unlike most squirrels in her neighborhood. What type of observations is this?
A
Qualitative
B
Scientific Experiment
C
Observation
D
Quantitative
7) The variable that changes as a result of changes to the independent variable in an experiment
A
Independent Variable
B
Dependent Variable
C
Observing Variable
D
Controlled Variable
8) Factors that can change in an experiment.
A
Science
B
Variables
C
Weather
D
Theory
9) When you explain or interpret the things you observe
A
Educated Guess
B
Theory
C
Hypothesis
D
Inference
10) During the bubble lab, it was important to mix the two solutions together.
A
True
B
False
11) What is a compound?
A
A substance made of at least two atoms of a single element.
B
A substance made of at least two elements that are chemically combined in a set ration.
C
A substance that has only one element and can't be mixed to another atom.
D
A substance made of at least two elements that are chemically bonded and can be mixed in any ration.
12) Water can be represented by the chemical formula H20, what does the 2 represent?
A
Hydrogen
B
Two atoms of Oxygen
C
Oxygen
D
Two atoms of Hydrogen
13) A pure substance made by chemically combining two tor more elements; represented by a chemical formula describes which term?
A
Chemical bond
B
Chemical formula
C
Compound
D
Element
14) During the Chemical and Physical Changes lab, as you made observations with the vinegar and baking soda, what took place?
A
Freezing
B
Bubbling and fizzing
C
Nothing
D
Unexpected color change
15) Which of the following is an example of a physical change?
A
Combustion
B
Bubbles
C
All of the following
D
Freezing
16) In the periodic table, the letters Fe stand for what?
A
Compound
B
Carbon
C
Feron
D
Iron
17) A group of students is collecting data to determine which month is the most common birthday month in their class. What kind of information will they collect?
A
Qualitative data
B
Inferences
C
Quantitative data
D
Predictions
18) Burning a marshmallow.....physical or chemical?
A
Physical Change
B
Chemical Change
19) Molding play-doh.....physical or chemical change?
A
Physical Change
B
Chemical Change
*select an answer for all questions
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