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HCHem Ch 1, lab safety and equipment Flashcards | StudBud
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HCHem Ch 1, lab safety and equipment
HCHem Ch 1, lab safety and equipment
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lab safety and equipment basics
Flashcards
24 cards
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Questions
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Answers
1
A beaker is a great tool for all of these EXCEPT...
measuring
pouring
heating
mixing
2
This piece of lab equipment is called...
a beaker
a graduated cylinder
a flask
a test tube
3
Which is matter?
my breath
energy
heat
sound
4
If you do an experiment, the variable that is manipulated is the...
independent variable
dependent variable
control
standardized variable
5
This is a picture of a...
measuring cup
beaker
flask
graduated cylinder
6
An experiment is testing how the temp of water affects the number breaths a gold fish takes in 1 min. Pick which is true
Room temp water is the contrl
Water temp is the dependent variable.
The color of all the goldfish should be gold.
Number of breaths is a standardized variable
7
A test tube holder holds how many test tubes?
multiple
one
8
If HOMEWORK is due Mon and you submit on Wed, how much is it worth?
0%
50%
75%
80%
9
What part of your body is the most vulnerable to damage and should be most protected?
body
eyes
hands
feet
10
_____is the study of matter and the changes it undergoes.
Chemistry
The scientific method
Alchemy
Science
11
The lab equipment pictured here is...
a bunsen burner
an Erlenmeyer burner
evaporating dish
a flame holder
12
These are called...
tweezer
test tube holder
tongs
grippers
13
In the event of a fire during chemistry class, you should...
evacuate to Sears.
stay put until you are told where to go.
go to the left side of the field.
go to the right side of the field.
14
Safety is the responsibility of...
me.
everyone but me.
everyone in class.
the teacher
15
Which of the following is used for people that are on fire?
fire extinguisher
stop, drop and roll
shower
fire blanket
16
How does your teacher feel about eating in class?
Eat anytime; you need your nutrition.
Only eat if you bring enough for everyone.
Never eat in class; it's disrespectful.
Do it as long as we're not doing a lab.
17
In the event of a chemical spill, the first thing you should do is...
hide it so you don't get in trouble.
notify the teacher.
clean it up properly.
ignore it and pretend you didn't spill.
18
A "good" hypothesis must be_____.
stated in the positive.
true.
testable.
correct.
19
This piece of lab equipment is called...
a heating bowl.
a beaker.
an evaporating dish.
a watch glass.
20
My cat is 4.5 kilograms. This statement is _______.
quantitative
qualitative
21
Choose the TRUE statement.
Theories will always come before the sameidea becomes a law.
Theories are false, laws are true.
Theories can be modified, laws are not.
Theories have mathematical representations (formulas), laws do not.
22
Name the lab tool in the picture.
scooper
test tube
spatula
scoopula
23
It is important to read directions...
sometimes.
all the time.
never.
only if I have a question.
24
Which of the following is best used for measuring?
flask
test tube
graduated cylinder
beaker
