Reading Measurement using Lab Tools

Measurements & Measuring Instruments

​Utilizing science instruments to measure the variables.

The degree of exactness of a measurement. E.g. 8.43 cm is more exact than 8.4 cm.

​Precision

How close a measured value is to a true value.

Accuracy

Accuracy and precision

Some text here about the topic of discussion

Accuracy vs precision

Multiple Choice

You are conducting an experiment to measure the length of a table, and you repeat the measurement five times. The values you get are 2.00 meters, 2.01 meters, 2.00 meters, 2.01 meters, and 2.00 meters. The actual length of the table is 2.50 meters. What can you say about the results?

• a) The measurements are accurate but not precise.

• b) The measurements are precise but not accurate.

• c) The measurements are both accurate and precise.

• d) The measurements are neither accurate nor precise.

Multiple Choice

Which is more precise?

Open Ended

What is the volume of the water in the graduated cylinder in mL?

Analogue vs digital scales

Poll

Is this an analogue or digital scale?

• Digital

• Analogue

• None

• i have no idea

Multiple Choice

What is the mass of scale show?

• 487.7 grams

• 487 grams

• 490 grams

• 485 grams

Open Ended

What is the mass of an object in grams using the tripple beam balance?

Open Ended

What is the volume in mL of a liquid in the beaker?

Open Ended

What is the room temperature shown in the picture?

Left side is in degrees Celcius.