Measurement and Significant Figures Challenge

The video tutorial explains measurement and significant figures using various tools like graduated cylinders, burets, and rulers. It covers the concept of certain and uncertain digits, how to estimate measurements, and the importance of significant figures in scientific measurements.

What is the smallest division you can estimate with a graduated cylinder marked every 1 milliliter?

• 1 milliliter

• 0.1 milliliters

• 10 milliliters

• 0.01 milliliters

In the measurement 95.5 milliliters, which digit is considered uncertain?

• 5

• 0.5

• 0

• 9

How many significant digits are in the measurement 95.5 milliliters?

• 4

• 3

• 2

• 1

What is the smallest division you can estimate with a burette marked every 0.1 milliliters?

• 10 milliliters

• 1 milliliter

• 0.1 milliliters

• 0.01 milliliters

In the measurement 43.70 milliliters, which digit is considered uncertain?

• 0

• 7

• 3

• 4

How many significant digits are in the measurement 43.70 milliliters?

• 5

• 4

• 3

• 2

What unit is indicated by 'mm' on a ruler?

• Centimeter

• Millimeter

• Meter

• Inch

If a ruler is marked every 0.1 centimeters, what is the smallest division you can estimate?

• 10 centimeters

• 0.1 centimeters

• 1 centimeter

• 0.01 centimeters

What is always true about the last digit in a measurement?

• It is always the largest digit

• It is always zero

• It is always estimated

• It is always certain

How many uncertain digits are considered significant in a measurement?

• All

• Two

• One

• None