Video #2 "Using a Metric Ruler"

Which side of a ruler should be used for measurements in a science class?

• The side with wider spaces.

• The side marked with "CM" or "MM".

• The side with numbers 1 through 12.

• The side that says "MADE IN CHINA".

What does the space between two consecutive numbered lines on the metric side of a ruler represent?

• 1 millimeter

• 1 inch

• 1 centimeter

• 0.5 centimeters

Are you enjoying the video lesson?

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How many millimeters are in one centimeter?

• 1

• 5

• 10

• 100

When measuring an object with a metric ruler, where should the object be aligned?

• At the very end of the ruler.

• At the 1 cm mark.

• At the 0 cm mark.

• At the 0.5 cm mark.