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Vocab MeasuringTools
Volume &
Density
Safety Precautions
Miscellaneous
Question
Is flammable a chemical property or a physical
property?
Answer
Chemical Property
Question
Is corrosive a chemical or a physical property?
Answer
Chemical property
Question
What is a meniscus?
Where do you read a meniscus from?
Answer
Natural curve of a liquid inside of a column due to gravity.
Read from the bottom of the curve.
Question
What does the word miscible mean?Give an example of something that is
miscible in water.
AnswerAbility to mix
Ex: food coloring with water
Question
What is the definition of physical property? Give an example
What is the definition of chemical property? Give an example
Answer
Physical property – characteristic of a substance. Ex: color, density, hardness,
conducts electricity, appearanceChemical property – a characteristic of a
substance when it reacts with another substance. Ex: pH, reactivity, corrosiveness,
flammability
Question
What tool is used to measure the volume of a cube/bar and what is the
formula?
Answer
Rulerlxhxw
Question
What tool is used to measure the mass of an object and what
measurement unit would you use?
Answer
Triple beam balanceGrams
Question
What tool is used to measure the volume of an irregular shaped object and what measurement unit would
you use?
Answer
Graduated cylindermL
Question
What is the formula for measuring the volume of a cylinder and what measurement unit would you use?
Answer
∏r2hcm3
Question
What tool would you use to find the mass of a can of soup?
What units does it measure in ?
Answer
Triple Beam BalanceUnits: Grams
Question
What does the word volume mean?
Answer
The amount of space an object takes up
Question
What is the formula for finding the density of an object?
Answer
Mass/volume
Question
Find the volume of a cylinder that has Diameter = 12 cm
Height = 10 cm
DO NOT FORGET UNITS!!!!
Answer
62 x 12 x 3.14 = 1,356.48 cm3
QuestionIf an object has a mass of 50 grams
and a volume of 250 mL, what is the density of the object?
DO NOT FORGET UNITS!!!
Answer
50 g/ 250 mL = .2 g/mL
Question
If an object has a mass of 40 grams and a volume of 20 mL, will it sink or
float in water?
Answer
Density of 2 g/mL means it will sink
Question
What should a person do if he/she finds an unknown material at home?
Answer
Treat it as hazardous, tell an adult, do not touch, etc.
Question
What is one safety precaution a person should take if he/she is
working with a substances that is flammable, like mineral oil/ethanol?
Answer
Do not use near heat or open flame
Question
What are the names of the two liquids in the unlabeled jar?
AnswerMineral Oil and Iron Nitrate
Question
What are the names of the black squares and the red tubes.
AnswerHDPE
Question
What are the two cylinders made out of in the unlabeled jar?
AnswerAluminum and Zinc
Question
What would be the best method of separating pieces of iron and sand?
AnswerUse a magnet
Question
If a label on a container says “harmful or fatal if swallowed, causes severe irritation to eyes,
skin, mouth, and clothing”.Which type of hazard does the substance
pose?
Answer
toxic
Question
What does it mean when a substance is less dense than water (1 g/mL)?
AnswerIt means the item will float in water
QuestionName two things that a person measuring mass
or volume could have done wrong.
Answer
Calculated, measured, formulas Teacher discretion on this question
Question
If a person has a large piece of aluminum the size of a table, and a small piece of aluminum
the size of a pencil, which one will have a greater density?
AnswerThey will have the same density because
density measures the grams per cubic centimeter. Since both of the pieces are
made out of aluminum, the densities are going to be the exact same.