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Metric Unit Conversions
Scientific Method
Definitions
Density
Dimensional analysis
100
852 km = ___ dm
8,520,000 dm
100
Why do we record our observations while conducting an experiment?
We record our observations so that we can analyze our data and prove or modify our hypothesis.
100

What is a hypothesis?

An educated guess

100

What is the equation for Density?

D = M/V

100

How many centimeters are in 1 inch?

2.54 cm

200
45.67 hm = _____ cm
456,700 cm
200
What is an experiment?
An experiment is a series of steps used to test a hypothesis.
200
What is mass?
Mass is the amount of matter that something is made of.
200

How would you determine the volume of an irregular solid?

You would use water displacement. (Think about our examples.)

200

What is this (1 inch = 2.54 cm) called?

Conversion Factor

300
9852.1 mm = _____ dk
0.98521 dk
300
What is a hypothesis?
A hypothesis is a scientific guess.
300

What is a constant?

Something that does not change during the experiment

300

What are the units for Density (Only need one example)?

g/mL or g/cm3 etc.

300

If I run 1 mile, how many inches is that?

(1 mile = 5,280 ft)

63,360 inches

400
8.74 dk = _____ dm
874 dm
400
What are the steps of the scientific method (in order)?
The steps of the scientific method are: 1) Ask a question 2) Hypothesize 3) Test the hypothesis (experiment) 4) Analyze the results 5) Conclude
400

What is density?

Density is the amount of matter in a given space.

400
What is the volume of a cube with a height of 5 cm, a length of 2 cm, and a width of 3.5 cm?
35 cm3
400

Gymnast Simone Biles is 4’9”
(4 feet + 9 inches). How tall is she in centimeters?

(1 ft = 12 in), (1 in = 2.54 cm)

145 cm

500
.0005687 km = _____ mm
568.7 mm
500
What is the difference between the experimental variable and the control variable in an experiment?
You do not do anything to the control variable to have a basis for comparison.
500
What is water displacement?
The volume of an odd shaped object plus water subtracted by the volume that the water takes up itself.
500

What is the density of an object with a mass of 270g and a volume of 50cm3?

5.4 g/cm3

500

If a boat travels 25,000 m, how many miles is that?

(1 inch = 2.54 cm), (1m = 100cm), (1 mile = 5,280 ft)

15.5 miles