Science Lab Equipment

Science Lab Equipment Henderson Hornets Middle School Science

Objectives • Identify common lab equipment • State the functions of common lab equipment • Demonstrate the proper uses of common lab equipment

Bunsen Burner • How to use it: We will NOT! Instead, we USE a HOT PLATE • What it does: Produce a flame to heat glassware and other objects. • Safety concerns: Open flame

Hot Plate • What it Does: Produces heat like a stove burner • How to use it: Connect only when given permission. Always ask for the temperature setting. • Safety Concerns: Never touch the plate with your hand. Don’t reach across the hot plate.

Hot Mitt/Gloves • What it Does: Protects hands against hot containers • How to use it: Put • on hands and be sure to get a good grip • Safety Concerns: Glassware may slip out of your hands.

Thermometer • What it Does: Takes temperature of liquids • How to use it: Place in container with liquid. Do not let the thermometer rest on the bottom of container • Safety Concerns: If broken, hard to clean up Glass breakage

Beakers • What it Does: Holds liquids. Comes in different sizes • How to use it: Use a graduatedcylinderto fill with the right amount of liquid. Use it to heat, stir, or mix substances. • Safety Concerns: Breakable,Check for chips or cracks before using it

Beaker Tongs • What it does: Use to lift hot beakers • How to use it: Use the rubber ends to wrap around a hot beaker and lift • Safety Concerns: Not very easy to use so be careful when using. Grasp near top of beaker

Stirring rod • What it does: Stirs substances • How to use it: Gently stir the substances. • Safety Concerns: Made of glass, do not use if chipped or broken.

Flasks • What it Does: Holds and measures larger and amounts of liquids.Good for swirling liquids • How to use it:Read the meniscus when used to measure. Fill with care. • Safety concerns: Glass breakage

Rubber Stopper • What it does: Seals glassware • How to use it: Choose the correct size for the glassware you’re using and push in • Safety Concerns: If you push too • hard, it can break glassware

Graduated Cylinder • What it does: Measures liquid very precisely • How to use it: Fill the liquid to the proper volume. Always read the bottom of the meniscus • Safety Concerns:Use a bumper on glass one to protect from breakage.

Pipette • What it does: Measures small amounts liquid very precisely • How to use it: Squeeze the bulb to suction liquid and then let go. Fill the liquid to the proper volume. • Safety Concerns: Do not point at anyone

Dropper • What it does: Dispenses small amounts of liquid • How to use it: Squeeze the bulb to suction liquid • Release one drop at a time • Safety Concerns: Do not point at anyone. Can break if glass.

Test Tube • What it does: Holds small amounts of liquid • How to use it: Measure the liquid with a pipette or graduated cylinder to measure liquid and then pour it in. Release one drop at a time. • Safety Concerns: Glass breakage, Do not use if chipped

Test Tube Rack • What it does: Holds test tubes upright • How to use it: Put test tube in opening. • Safety Concerns: Keep it balanced so that it does not tip over.

Test Tube Holder • What it does: Holds test tube for heating • How to use it: Squeeze handles to open and release to grasp test tube. • Safety Concerns: Don’t squeeze while holding a test tube or the test tube will fall through.

Mortar and Pestle • What it does: Grinds chunks of substances into powder. • How to use it: Place substance into the mortar and use the pestle to grind it down to a powder. • Safety Concerns: May break

Ring Stand • What it does: Used to hold ring and clamps • Useful when heat substances with a Bunsen burner • How to use it: Place • on table and connect ring • or clamp • Safety Concerns: May tip over.

Ring/Clamp • What it does: Hold beakers, test tubes, or thermometers when heating substances with a Bunsen burner. • How to use it: Attach to ring stand • Safety Concerns: May cause apparatus to tip • over. Don’t over tighten.

Funnel • What it does: Helps to pour liquid into small • openings • How to use it: Place • the funnel tip into the container’s opening. • Slowly pour liquid • Safety Concerns: Don’t pour liquid all at once or it may spill over.

Petri Dish • What it does: Holds specimen while viewing under a dissecting microscope. Used to grow bacteria • How to use it: Place the specimen in the bottom and place the lid on top. Put agar into bottom and swab sample then cover with lid • Safety Concerns: Breakage if glass.Plastic can break easily

Watch Glass • What it does: Holds specimen for viewing • under dissecting microscope • How to use it: Place specimen in glass and put under microscope • Safety Concerns: Don’t touch specimen to microscope lens Glass breakage

Dissecting Pan • What it does: Holds specimen for observation and dissecting • How to use it: Place specimen pan. You may use pins to hold down the specimen • Safety Concerns: Don’t drop on you foot, it is • heavy.

Dissecting Pin • What it does: Holds specimen for observation and dissecting • How to use it: Place specimen pan You may use dissecting pins to hold down the specimen • Safety Concerns: Sharp object. Be careful not to poke yourself.

Probe • What it does: Separates tissue during dissection. Use as a pointer during dissection. • How to use it: While holding tissue, use probe • to break through tissue • Safety Concerns: Sharp object Be careful not to poke yourself.

Scalpel • What it does: Cuts tissue during dissection. • How to use it: While holding specimen, use scalpel to cut through tissue. Cut through a little at a time so you don’t go deeper than you need to • Safety Concerns: Sharp object, cut away from yourself. Be careful not to cut yourself.

Scissors • What it does: Cuts specimen or other things in the lab • How to use it: More useful to use during dissecting than the scalped • Safety Concerns: Sharp object. Cut away from yourself. Be careful not to cut yourself.

Forceps • What it does: Picks up small objects. Used to hold tissue or specimen when dissecting. • How to use it: Squeeze sides to hold or pick up item. • Safety Concerns: Sharp object, Be careful not to cut yourself

Microscope • What it does: Magnifies objects • How to use it: Turn on light and then adjust • using the coarse and fine adjustment knobs • Safety Concerns: Hold with base and arm when transferring. Will break if dropped. Electrical safety.

Slide • What it does: Holds specimen you want to view under the microscope • How to use it: Place specimen in the middle. • You may need to add a drop of distilled water • Safety Concerns: Glass breakage. Don’t crack with objectives.

Cover Slip • What it does: Covers specimen on slide. Flattens object so you can see better. • How to use it: Place lightly onto specimen on the slide • Safety Concerns: It is very thin and you may cut yourself

Triple Beam Balance • What it does: Masses substances and objects • How to use it: • Place substance or object on pan and adjust riders until balanced • Safety Concerns: Don’t drop it. Balance before use.

Meter Stick and Meter Tape • What it does:Measures distance. • How to use it:For the meter tape, work with a partner, one holds the tape down and the other extends the tape to measure longer distances • Safety Concerns: Don’t get the meter tape tangled. Don’t hit your partner accidently.

Stopwatch • What it does: Measures time • How to use it: Reset before you use. Push start and stop as accurately as possible • Safety Concerns: Don’t drop swing around, you might hit someone

Spring Scale • What it does: Measures force in Newtons • How to use it: Place the hook at the end of an object and slowly pull. • Safety Concerns: Don’t drop it. Balance before use

Insect Traps • What it does: Captures insects • How to use it: Set up as directed to trap live insects. • Safety Concerns: Open carefully so insects don’t escape

Collecting Nets • What it does: Used to collect insects and fish or other aquatic organisms. • How to use it: Quickly swipe net to capture organisms. • Safety Concerns: Don’t fall when using be careful not to tear, they are delicate.

Summary • Knowing the names and uses of common lab equipment will make doing labs much easier • Knowing how to properly use equipment also makes for a safe environment in the lab • Safety for yourself and your classmates are the MOST IMPORTANT things in a lab

Science Lab Equipment