Final Vocab Measuring Tools 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.

Answer Ability 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, appearance Chemical 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 Ruler lxhxw

Question What tool is used to measure the mass of an object and what measurement unit would you use?

Answer Triple beam balance Grams

Question What tool is used to measure the volume of an irregular shaped object and what measurement unit would you use?

Answer Graduated cylinder mL

Question What is the formula for measuring the volume of a cylinder and what measurement unit would you use?

Answer ∏r 2 h cm 3

Question What tool would you use to find the mass of a can of soup? What units does it measure in ?

Answer Triple Beam Balance Units: 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 6 2 x 12 x 3.14 = 1, cm 3

Question If 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?

Answer Mineral Oil and Iron Nitrate

Question What are the names of the black squares and the red tubes.

Answer HDPE

Question What are the two cylinders made out of in the unlabeled jar?

Answer Aluminum and Zinc

Question What would be the best method of separating pieces of iron and sand?

Answer Use 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)?

Answer It means the item will float in water

Question Name 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?

Answer They 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.