Beaker
used to hold liquids
Erlenmeyer flask
used to hold liquids, has narrow neck to prevent splashes
Test tube
open tube used to hold liquids
Graduated cylinder
used to measure the volume of a liquid
Watch glass
to hold solids while being weighed, or as a cover for a beaker
Mortar pestle
Used to grind solids into powders
Funnel
for pouring liquid or other substance through a small opening
Pipette
Holds and transfers small amounts of liquids
Beaker tongs
for removing and holding a hot beaker
Spatula
broad-bladed instrument used for spreading or mixing
Digital scale
An electronic scale with a sensor that measures weight and displays the result electronically
Bunsen burner
used to heat substances
Hot plate
a lab tool used to heat substances
Accuracy
A description of how close a measurement is to the true value of the quantity measured.
Precision
a measure of how close a series of measurements are to one another
Meniscus
The curved upper surface of a liquid in a tube
Conversion factors
a ratio of equivalent measurements
Science
An organized way of gathering and analyzing evidence about the natural world.
Observation
Information obtained through the senses.
Inference
A conclusion reached on the basis of evidence and reasoning