Units
Lab Safety
Classification of Matter
Metric Conversion
Measurement
100
The full name for the system of measurement used by scientists.
What is SI (system international) units
100
The first step if ANY emergency happens in the lab?
Notify Mr. Burtraw
100
All matter is classified into two categories
what are pure substances and mixtures
100
The number of cm in one meter.
What is 100 cm.
100
The method used to measure the volume of irregular solids.
What is displacement.
200
The standardized measurement for length.
What is meters (m)?
200
When heating materials in a test tube, it should be
Pointed away from anyone near by
200
The two types of pure substances
What are elements and compounds
200
The amount of mL in cL.
What is 10 mL?
200
The curved surface of a liquid in a narrow tube.
The meniscus.
300
The standard measurement for mass.
What is grams (g)?
300
Identify the hazard indicated by the pictogram below.
Environmental hazard
300
The difference between a homogeneous and heterogeneous mixture
What are homogeneous mixtures are uniform in composition while heterogeneous mixtures are not uniform in composition.
300
The amount of meters in 15 km.
15000 m.
300
The volume of 1g of water.
What is 1 mL?
400
The standard measurement for solid volumes.
What are cm3?
400
Identify the hazard indicated by the pictogram below.
Oxidizing
400
The homogeneous mixture consisting of one part dissolved in the other that wont scatter light
What is a solution
400
The number of L in one cL?
What is 0.01 L?
400
The special relationship for volumes.
What is 1 mL = 1cm3?
500
Units used to measure density
g/mL or g/cm3
500
According to the NFPA diamond below, what hazards must you be aware of when using this chemical?:max_bytes(150000):strip_icc()/signNFPA_704-56a12c8e3df78cf7726821e9.png)
Health hazard - deadly
Fire hazard - moderate flammability
Reacts with water
500
The heterogeneous mixture that is cloudy, has extremely small particles that wont settle, and will scatter light
What are colloids
500
The number of mg in one Kg.
What is 1000000 mg?
500
What is the density of a rock with a mass of 10 g and a volume of 5 mL?
2 g/cm3