Measuring Accurately

Where do we read the level of liquid?

• The highest point the liquid touches.
• The bottom of the meniscus.
• Half way between, we make an educated guess and round it.
• Somewhere about there.

I record the colour of a Frank Green drink bottle.

The type of data collected is...?

• quantitative

• qualitative

• accurate

When transferring liquids a ..... should be used

A student measures this and says it is 46mL

Their measurement is....?

• accurate

• inaccurate

What is the maximum value this graduated cylinder can measure?

• 10 ml
• 25 ml
• 100 ml
• 250 ml

What does accuracy mean?

• how well we have measured

• how close it is to the real value

• how much we like the result

• nothing

I record the weight of a Frank Green drink bottle.

The type of data collected is...?

• quantitative

• qualitative

• accurate

To get the most accurate measurements, which piece of equipment should be used?

• Pipette

• Beaker

• Test tube

• Measuring Cylinder

If scales measure a 1kg weight to be 1.2kg, we would say that it is...?

• precise

• accurate

• inaccurate

• perfect

Read this accurately.

The volume of water is....

• 10.5mL

• 15mL

• 120mL

• 12mL