Terms
Density
Metric System
Sig Figs/Sci Not
Potpourri
100

A measure of the gravitational pull on an object; changes with location

What is weight?

100

What is the density of a sample that has a mass of 4.00 g and a volume of 2.0 cm3?

What is 2.0 g/cm3?

100

Which is larger: microliters or milliliters?

milliliters

100

How many sig figs are in 0.003510 L

4

100

What is the SI unit of mass?

kg

200

The closeness of a set of measurements to each other

What is precision?

200

The mass of a 50.0 mL sample that has a density of 5.00 g/mL

What is 250. g?

200

What is smaller: nanometers or micrometers?

nanometers

200

Write 0.00005710 m in scientific notation.

5.710 x 10-5 m

200

What is the SI unit of temperature?

kelvin

300

The closeness of a measurement to its accepted value

What is accuracy?

300

The volume of a 75 g of a substance that has a density of 3.0 g/cm3.

What is 25 cm3?

300

How many milliliters are in 5 liters?

5000 mL

300

When multiplying 0.349 m and 1.245 m, how many sig figs should be in your answer?

3

300

How do you change a temperature from Celsius to Kelvin?

Add 273 to the Celsius temperature.

400

Numbers in a measurement that are known with certainty plus one digit that is estimated

What are significant figures?

400

An increase in temperature causes the volume of a substance to do this.

What is increase?

400

How many grams are in 7500 micrograms?

0.0075 grams

400

Write 153000 in scientific notation.

1.53 x 105

400

Which temperature scale has no negative temperatures?

Kelvin

500

Calculated by taking the mass of a sample divided by its volume

What is density?

500

When a substance is heated, the density of a substance does this.

What is decrease?

500

How many kilograms are in 56000 milligrams?

0.056 kg

500
Report the sum of 2.57 g and 1.2 g to the correct number of significant figures.

3.8 g

500

What is a commonly used unit of volume that is NOT an SI unit?

liter