Lab Equipment and Metric System

THERMOMETER

•An instrument used to measure temperature.

•(Celsius)

DEFINITION:

What is this?

GRADUATED CYLINDER

•A piece of laboratory equipment used to accurately measure the volume of a liquid. ( meniscus)

DEFINITION:

What is this?

BEAKER

• Flat-bottomed glass container used in laboratories.

DEFINITION:

What is this?

SAFETY GOGGLES

•Eyewear to

prevent and

avoid eye

injury.

DEFINITION:

What is this?

TRIPLE BEAM BALANCE

•A rugged weighing instrument. It is named for the three beams which carry different weights.

•Measure in grams

DEFINITION:

What is this?

FORCEPS

•A hinged

instrument

used for

grasping and holding objects.

DEFINITION:

What is this?

BUNSEN BURNER

•A device used

to heat

substances for

experiments.

DEFINITION:

What is this?

TEST TUBE

•A small glass tube-shaped container used to mix, heat, and store chemicals in laboratories

DEFINITION:

What is this?

PIPETTE

• A slender graduated tube used in a laboratory for measuring and transferring quantities of liquids from one container to another.

DEFINITION:

What is this?

ERLENMEYER FLASK

•A cone-shaped

laboratory flask

with a narrow

neck and broad flat bottom.

DEFINITION:

What is this?

FUNNEL

•A cone-shaped utensil with a large opening at the top and a small opening or tube at the bottom.

DEFINITION:

What is this?

TEST TUBE RACK

•To hold/support test tubes containing chemicals.

DEFINITION:

What is this?

73 ml 49 ml 91ml

What is the volume of liquid in each graduated cylinder? Read the Meniscus the curved upper surface of a liquid in a tube

•Unit of measurement Meter•

• Instrument used is ruler or meter stick

•Example: centimeter, millimeter, kilometer,

•

Basic Unit of Length

•Unit of measurement is Liter

• Instrument used is Graduated Cylinder

•Example: 300 mL

Basic Unit of Volume

•Unit of Measure is Gram

• Instrument used is Triple beam balance

•Example : 10 g

Basic unit of Mass