Lab equipment

Instructional Objectives :1.Identify the science equipment 2.Learn the SAFETY RULES.Review Questions:1.Branches of Physical Science?

Other Instructions:1.Make sure that you label the lab equipment work sheet.

Homework:Do the chapter 1 vocabulary

Lab Equipments

For supporting crucibles and dishes when heating on a gas burner or other similar heat source.

Pipestem Triangle

Evaporating Dish

for handling cylindrical apparatus such as test tubes, flasks, Utility Tongs

For supporting small objects (such as crucibles or evaporating dishes) over a burner 3-Leg Beaker Support Stand

Beaker tongs designed to hold liquid filled beakers from 50mL to 2000mL capacity. Beaker Tongs

Thermometers

Fine stirring rods are solid flint glass with fire-polished rounded ends Glass Stirring Rods

Short-Stem Glass Funnels

Glass Dropping Pipette

Thin Stem Pipettes

Disposable Plastic Dropper

*The large size makes it easy to read and capable of measuring more weight than most other scales of its type Heavy-Duty Spring Scale (Metric/English)

BalanceMeasures the mass of an object

Beam Balance

Hot plateUsed to heat liquids

solid, one-hole, two-hole, and three-hole stoppers in an assortment of sizes. Rubber Stopper

Chemically inert and unbreakable, polystyrene can be used with concentrated acids Spot Plate

can be heated and used with acids, salt solutions, and organic solvents. Erlenmeyer Flasks

Their round body and long neck are ideal for boiling liquids without excessively rapid evaporation. Florence Boiling Flasks

With uniform wall thickness; white enamel, double-graduated metric scale the beakers can be heated used with acids, salt solutions, and organic solvents. Beaker

Solutions can be poured easily by squeezing the bottle lightly Wash Bottles

Filter Paper

Petri Dishes

watch glasses provide a safer way to perform evaporations on hot plates or in ovens Watch Glasses

offers a constant flow of water to wash contaminants from the entire body Safety Drench Shower

discharged in a thick stream to blanket fires. Stand 6 away and aim at the base of the fire to discharge the tank Multi-Purpose Fire Extinguisher

safety goggles, vinyl apron, gloves

pH paperUsed to measure how acidic or basic a substance is

Disposable or transfer pipetteDraws a liquid up by suction and allows transfer to other solutions

Mortar and PestleUsed to grind and mix substances

Test Tube HolderProvides a safe way of transferring a hot test tube to a test tube rack

Weigh BoatPrevents substances from coming into contact with the balance plate when massing solids

Graduated cylinderBest way to accurately measure the volume of a liquid

SpatulaUsed to scoop solids

Test tube brushUsed to clean the inside of a test tube

Safety gogglesProtect your eyes

Glass slideProvides a surface to lay things on that you wish to view using the microscope

CentrifugeUsed to separate substances based on mass; does this by spinning tubes in a circle at a high rate of speed

Test Tube RackHolds test tubes upright

ForcepsLike tweezers, they are used to grasp small objects