Sig Figs
Units
Conversions
Measurement & Error
Density Lab
100

There are this many significant figures in 0.00450.

What is 3?

100

This is the SI unit of time.

What is the second?

100

100 (cm) is equal to this length.

What is 1 (m)?

100

Of the two rulers shown, this one gives the more precise measurement.

What is Ruler B?

100

The slope of this graph represents this physical property of the material.

What is density?

200

The number of significant figures in 105.02.

What is 5?

200

A speed reported simply as “20” is missing this.

What are units?

200

The number of meters in a kilometer

What is 1000 (m)?

200

Measurements that are close to their accepted values are described by this word.

What is "accurate"?

200

The mathematical model relating density, mass, and volume.

m=ρ*V

300

Calculate 12.11+0.3+1.245 and report it correctly.

What is 13.7?

300

A ratio of two quantities with identical units has this unit.

What is no unit / is unitless?

300

Convert 375 cm to meters.

What is 3.75 m?

300

Measurements that are consistently very close to one another are described by this word.

What is "precise"?

300

If two blocks have the same volume, this one is denser: the one with greater mass or smaller mass.

What is the one with greater mass?

400

Calculate 2.30×4.1 and report the answer with the correct significant figures.

What is 9.4?

400

A graph has grams on the vertical axis and milliliters on the horizontal axis. Its slope has these units.

What are (g/mL)?

400

Convert 72 (km/h) to (m/s).

What is 20 (m/s)?

400

A measurement is reported as 4.2±0.6. This interval contains these minimum and maximum values.

What is a min of 3.6 and a max of 4.8?

400

Water rises from 22.0 (mL) to 28.5 (mL) when an object is submerged. This is the object's volume. 

What is 6.5 (mL) or 6.5 (cm³)?

500

The value 1500 written so that it clearly has three significant figures is this.

What is 1.50×103?

500

A graph has mass in grams on the vertical axis and time in seconds on the horizontal axis. Its slope would have these units.

What are (g/s)?

500

750 nm written in meters using scientific notation is this value.

What is 7.50×10−7 (m)?

500

A measurement of 8.4±0.2 (cm) could reasonably include this value: 8.1, 8.5, or 8.8 (cm).

Response: What is 8.5 (cm)?

500

This is the denser of the two materials.

What is Material A?