The Science Laboratory

CHAPTER 1: Science is … Worksheet 1.1 Science Quest 7: pages 7–11 The science laboratory

Student: ...... Class: ......

Laboratory equipment a Some of the equipment that you are likely to b use in the science laboratory is illustrated on this page.

● Use the illustrations to find each item of c equipment in the checklist below. On a copy of the checklist, place a tick beside each item when you have found it.

i e d

g f

h m

Equipment checklist l Bunsen burner Heatproof mat j s k Tripod Gauze mat Beaker Stirring rod Evaporating dish n q Conical flask Test tube Test-tube holder r p Test-tube rack Spatula Retort stand o Bosshead Clamp Filter funnel Tongs Safety glasses Measuring cylinder

Think Which item of equipment would be used for each of the following purposes?

Purpose Item of equipment To heat substances

To support beakers and similar containers of substances while they are being heated

To hold liquids that need to be swirled around or that have been filtered

To hold small amounts of substances that need to be heated or mixed

To hold a test tube while it is being heated

To move small amounts of solid substances from one container to another

Together with bossheads and clamps, to hold items of equipment at a suitable height

To pour liquids from one container into another; can be used with filter paper to separate some mixtures

To pick up and hold small, solid objects, often while they are hot

What is the purpose of each of the following items of equipment?

Item of equipment Purpose

Heatproof mat

Test-tube rack

Gauze mat

Bosshead

Beaker

Clamp

Stirring rod

Safety glasses

Evaporating dish

Measuring cylinder