Lab Safety/Equipment
Metal, Nonmetal, Metalloid
Mass and Volume
Relative Density
Denisty
100
Rico is setting up an experiment to study temperature, liquids, and heat. What is a possible safety hazard in this lab experiment?
A. Hot water could splash on Rico’s arm.
B. Acid could splash into Rico's eyes.
C. Rico could breath harmful vapors.
A. Hot water could splash on Rico’s arm.
100
What does luster mean?
It is shiny or reflective.
100
What is the mass?
155 grams
100
What is the density of water?
1 g/ml.
100
A rock has a volume of 3 ml and a mass of 96 grams.
What is the density of the rock?
32 g/ml
200
If a student wanted to measure 3 grams of sand what lab equipment would you need?
A Triple Beam Balance.
200
What does malleability mean?
Something is able to be formed or molded into a different shape.
200
How much MORE mass does object 3 have than object 2?
1.4 grams
200
If an object is more than 1 g/ml, then that object will what?
Sink.
200
An object has a volume of 96 cubic centimeters (cm3) and a mass of 12 grams. What is the density of the object?
0.125 g/cm3
(or 0.13 g/cm3)
300
What lab equipment would you use if you are trying to measure mass and volume?
Graduated Cylinder and Triple Beam Balance
300
What am I if I am a good conductor, high metallic luster, and malleable
A Metal.
300
What is the volume of the person?
1.6 ml (or) 1.6 cm3
300
1. Which one is the most dense?
2. Which one is the least dense?
1. C is the most dense.
2. A is the least dense.
300
What is the density of Substance 2?
2.65 g/ml.
400
After an investigation, students were disposing of leftover substances. One student poured all of the liquids down the sink drain. A few seconds later, a white cloud formed above the sink and the student’s eyes began to burn
What happened?
A chemical change.
400
What am I if I am a good insulator, dull luster, and not magnetic?
A Nonmetal.
400
What is the volume of the cube?
72 cm3
400
The one labeled B is more dense than which one?
B is more dense than A.
400
The volume of an unknown liquid is shown in the graduated cylinder. The density of the liquid is 6 g/ml.
What is the mass of the unknown liquid?
210 grams
500
A student is heating a liquid on a hotplate. Which THREE pieces of safety equipment should the student use?
A. Fire Extinguisher
B. Apron
C. Goggles
D. Fire Blanket
E. Heat-Resistant Gloves
B. Apron
C. Goggles
E. Heat-Resistant Gloves
500
What are the five physical properties of a Metal?
Good Conductor
Poor Insulator
Malleable
High Metallic Luster
Some are Magnetic
500
1. What is the formula for DENSITY?
2. What is the formula for VOLUME?
3. What is the formula for MASS?
1. Density = Mass / Volume
2. Volume = Mass / Density
3. Mass = Density x Volume
500
Which of the three liquids is the most dense?
Soap is the most dense.
500
A sample of a substance has a mass of 121.98 grams and a volume of 5.7 cm3. What is the substance?
The substance is Platinum.