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Physical vs. Chemical
SigFigs and Scientific Notation
Conversion Factors/Stoichiometry
Density
Identification
100
An unexpected color change has occurred.
What is a chemical change?
100
How many sigfigs are in 0.00340?
What is 3 sigfigs?
100
What is the SI unit for 10^-9?
What is nano (n)?
100
A loaf of bread has a mass of 500g and a volume of 2500cm^3. What is the density of the bread?
What is 0.2g/cm^3?
100
What is Neon?
What is an Element?
200
An ice cube melts.
What is a physical change?
200
Convert 0.000023 into scientific notation.
What is 2.3x10^-5?
200
What temperature is 690 degrees C in Kelvin?
What is 963K?
200
A block of wood has a mass of 6.0g and a volume of 12.0cm^3. What is the density of the block of wood?
What is 0.5g/cm^3?
200
What is table salt?
What is a compound?
300
An object has a lot of elasticity.
What is a physical property
300
Convert 9.11x10^3 to standard notation.
What is 9110.?
300
What is the SI unit for 10^6?
What is mega (M)?
300
The density of a substance is 4.0g/mL. If a sample of the substance has a volume of 25mL, then what is its mass?
What is 100g?
300
A student decides to pour some vegetable oil and water in a pan while cooking. What does this student now have?
What is a heterogeneous mixture?
400
Enzymes in the digestive system break down the chocolate.
What is a chemical change?
400
Calculate to give the correct number of sigfigs: 32.567+135.0+1.4567
What is 169.0?
400
How many feet are there in 75 meters?
What is 250 ft?
400
You have a lead ball with a mass of 420g. The density of lead is 10.5g/cm^3. What is the volume of the ball?
What is 40cm^3?
400
A celebrity owns a lot of diamond jewelry. This celebrity has a lot of what?
What is a pure substance?
500
Food coloring is added to a glass of water.
What is a physical change?
500
Calculate to give the correct number of sigfigs: 43.678 x 64.1
What is 2.80x10^3?
500
How many miles are there in 3.45x10^25cm?
What is 2.14x10^20mi?
500
A student has a rectangular block. It is 2cm wide, 3 cm tall, and 25 cm long. It has a mass of 600g. What is the density of the block?
What is 4g/cm^3?
500
A person drinks some water from the tap. What is this person drinking?
What is a homogenous mixture?