Which safety equipment would a student use during a lab involving a chemical reaction?
A. Gloves
B. Safety Goggles
C. Beaker
D. Fire Extinguisher
B. Safety Goggles
What does luster mean?
It is shiny or reflective.
What is the mass?
155 grams
What is the density of water?
1 g/ml.
What is the formula for DENSITY?
Density = Mass / Volume
If a student wanted to measure 5 grams of sand what lab equipment would you need?
A Triple Beam Balance.
What does malleability mean?
Something is able to be formed or molded into a different shape.
How much MORE mass does object 3 have than object 2?
1.4 grams
If an object is more than 1 g/ml, then that object will what?
Sink.
An object has a volume of 36 cubic centimeters (cm3) and a mass of 4 grams. What is the density of the object?
0.11 g/cm3
If a student wanted to measure 15 milliliters of a liquid, what lab equipment would the student use?
A Graduated Cylinder.
What am I if I am a good conductor, malleable, and sometimes magnetic?
A Metal.
What is the volume of the iron rod?
10 ml (or) 10 cm3
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.
What is the density of Substance 4?
8.7 g/ml.
If you were trying to view something really small like a plant and animal cell, what two types of lab equipment would you use?
What am I if I am a good insulator, brittle, and not magnetic?
A Nonmetal.
What is the volume of the cube?
64 cm3
The one labeled B is more dense than which one?
It is less dense than which one?
B is more dense than A.
B is less dense than C.
The volume of an unknown liquid is shown in the graduated cylinder. The mass of the liquid is 175 grams.
What is the density of the unknown liquid?
5 g/ml
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
What are the four physical properties of a Metalloid?
Shiny Luster, Dull Luster, Brittle, and Magnetic.
1. What is the formula for MASS?
2. What is the formula for VOLUME?
1. Mass = Density x Volume
2. Volume = Mass / Density
Which of the three liquids is the least dense?
Oil is the least dense.
A sample of a substance has a mass of 88.8 grams and a volume of 4.6 cm3. What is the substance?
The substance is Gold.