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Answer Chemical Property

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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.