Reading Graduated Cylinders

What is measured with a graduated cylinder?

• Passage of time
• Distance from one thing to another
• Weight of an object
• Volume of liquid

What is special about graduated cylinders?

• They hold large quantities of liquid safely

• They measure small amounts very accurately. We use them when precision is important.

• They are easily heated. We use graduated cylinders to heat liquids

Why is a graduated cylinder more accurate than a beaker?

• Because a graduated cylinder is made of glass
• Because it has been to school and graduated :)
• Because it is tall and skinny, more markings can be fit and read on a graduated cylinder
• Because a beaker doesn't have markings

What is the maximum value this graduated cylinder can measure?

• 1 ml
• 10 ml
• 25 ml
• 50 ml

What is the maximum value this graduated cylinder can measure?

• 10 ml
• 25 ml
• 100 ml
• 250 ml

Where is the number 7?

• 7 is not marked. We know that 7 is between 6 and 8, so I infer that it is the longer line between 6 and 8

• We don't know where 7 is. It might be above 8 or below 6

• This cylinder cannot measure 7 because the marking is not there

How many spaces are there between 20 and 25?

• 4
• 10
• 8
• 23

How many spaces are there between 6 and 7?

• 10
• 2
• 4
• 5

How many spaces are there between 20 and 25?

• 3
• 5
• 7
• 10

See the meniscus?

• Yes, I see that the liquid curves upward along the edge
• What is a meniscus?
• Nope
• I'm confused