BIO 101: Lab 2 - Measurements

length

distance between two points; measured in meters (m)

mass

the amount of matter in an object; measured in grams (g)

volume

The amount of space an object takes up; measured in liters (L)

temperature

A measure of how hot or cold something is; measured in Celcius (C) or Kelvin (K)

kilo

10^3

hecta

10^2

deca

10^1

deci

10^-1

centi

10^-2

milli

10^-3

meniscus

The curved upper surface of a liquid in a tube

beaker

dropper pipette

volumetric pipette

pipette pump

A device used with a graduated pipette to draw liquid up into the pipette safely and accurately.

micropipette

A laboratory tool used to handle and transfer very small, precise volumes of liquid, typically in the microliter range.

Erlenmeyer flask

A cone-shaped container with a narrow neck, which helps to prevent splashing and reduces evaporative losses.

graduated cylinder

A tall, cylindrical container with marked lines (graduations) used to measure the volume of liquids accurately.

test tube

A thin glass tube, closed at one end, used to hold small amounts of material for laboratory testing or experiments.

forceps

A handheld, hinged instrument used for grasping and holding small objects.

triple beam balance

An instrument used to measure mass very precisely by comparing the mass of an object to known masses.