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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
Handling one of the class pets
B
All of the Above
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
Approved safety goggles only
D
Your glasses will be enough if you have any
4) Your lab partner notices a tiny crack in a beaker that you are heating over a Bunsen burner. What do you do?
A
get another beaker
B
stop everything and notify the teacher immediately
C
do nothing, and hopefully it does not break
D
Put some duct tape on it, duct tape fixes everything
5) The one variable that scientist changes during an experiment; Also called the Manipulated Variable
A
Changed
B
Dependent
C
Independent
D
Controlled
6) Janice noticed that the Squirrels tail was short and bushy, unlike most squirrels in her neighborhood. What type of observations is this?
A
Scientific Experiment
B
Quantitative
C
Observation
D
Qualitative
7) The variable that changes as a result of changes to the independent variable in an experiment
A
Independent Variable
B
Controlled Variable
C
Observing Variable
D
Dependent Variable
8) Factors that can change in an experiment.
A
Theory
B
Science
C
Weather
D
Variables
9) When you explain or interpret the things you observe
A
Hypothesis
B
Inference
C
Educated Guess
D
Theory
10) During the bubble lab, it was important to mix the two solutions together.
A
False
B
True
11) What is a compound?
A
A substance made of at least two elements that are chemically combined in a set ration.
B
A substance that has only one element and can't be mixed to another atom.
C
A substance made of at least two elements that are chemically bonded and can be mixed in any ration.
D
A substance made of at least two atoms of a single element.
12) Water can be represented by the chemical formula H20, what does the 2 represent?
A
Oxygen
B
Hydrogen
C
Two atoms of Hydrogen
D
Two atoms of Oxygen
13) A pure substance made by chemically combining two tor more elements; represented by a chemical formula describes which term?
A
Compound
B
Element
C
Chemical bond
D
Chemical formula
14) During the Chemical and Physical Changes lab, as you made observations with the vinegar and baking soda, what took place?
A
Bubbling and fizzing
B
Freezing
C
Nothing
D
Unexpected color change
15) Which of the following is an example of a physical change?
A
All of the following
B
Bubbles
C
Combustion
D
Freezing
16) In the periodic table, the letters Fe stand for what?
A
Iron
B
Carbon
C
Compound
D
Feron
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
Predictions
B
Quantitative data
C
Qualitative data
D
Inferences
18) Burning a marshmallow.....physical or chemical?
A
Chemical Change
B
Physical 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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