test tubes
DESCRIPTION
Test tubes. Available in many sizes Used for many tasks, including mixing and heating of substances. Test tube brush. Used to clean test tubes Different sizes are available – ask if you need a different one. Test tube holder. Used to hold test tubes in your hand while heating them. - PowerPoint PPT PresentationTRANSCRIPT
Chemistry 1
Test tubes Available in many sizes Used for many tasks, including
mixing and heating of substances
Chemistry 2
Test tube brush Used to clean test tubes Different sizes are available – ask if
you need a different one
Chemistry 3
Test tube holder Used to hold test tubes in your
hand while heating them
Chemistry 4
Utility clamp Used to hold test tubes or flasks
attached to a ring stand
Chemistry 5
Test tube rack Sets on table Used to hold test tubes during an
experiment
Chemistry 6
Ring stands and rings Variety of uses Often used to support test tubes,
beakers, or flasks being heated by a bunsen burner
Chemistry 7
Graduated cylinders Available in different sizes Use the smallest one that will meet
your needs for the best accuracy If measuring a large amount you
may need to refill as you measure
Chemistry 8
Beakers Used to hold chemicals May be used for mixing or heating Only used to measure approximate volumes
Chemistry 9
Erlenmeyer flasks Used to hold, mix, and heat
chemicals To mix, hold by the neck and swirl
Chemistry 10
Florence flasks Used to hold, mix, and heat
chemicals To mix, hold by the neck and swirl
Chemistry 11
Beaker tongs Used to move hot beakers
Chemistry 12
Forceps tweezers
Chemistry 13
Squares Wire mesh and ceramic Used to support beakers and flasks
being heated with a bunsen burner
Chemistry 14
Scoopula Used to scoop dry materials out of
their bottles
Chemistry 15
Evaporating dish Used for heating
Chemistry 16
Watch glasses Curved circular pieces of glass Often used to cover evaporating
dishes while heating
Chemistry 17
Collecting bottles Variety of uses Often used to collect displaced
gases
Chemistry 18
Crucible Used for heating Has a lid
Chemistry 19
Clay triangle Used to support crucibles being
heated by a Bunsen burner
Chemistry 20
Crucible tongs Used to move hot crucibles or
crucible lids
Chemistry 21
Pneumatic trough Used to hold large quantities of
liquids (usually water) Has an overflow prevention spout:
make sure this is over the sink