Measurement and Tools

Observation

The act of gathering information

Quantitative

Numerical data or information

Significant Figures

Measured values which include all known digits plus one estimated digit.

Accuracy

Refers to how close a measured value is to an accepted value.

Precision

Refers to how close a series of measurements are to one another.

Mass

Measurement which reflects the amount of matter 

Weight

A measure of the amount of matter and the effect of Earth’s gravitational pull on that matter.

Digital Scale

An electronic tool used to measure mass.

Volume

The space occupied by an object

Graduated Cylinder

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Erlenmeyer Flask

A tool used to measure volume. It is ususally used to store or heat substances.

Pipet

A tool used to measure volume or transfer small amounts of liquid.

Length

A measure of the amount of length

Meniscus

The curve formed due to the adhesive and cohesive properties of a liquid in a graduated cylinder. The bottom of this curve is read when collecting data.
Beaker
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Triple Beam Balance
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