Warm-up: Aug. 9, 2012 Using page 18 in your textbook. Answer the following in COMPLETE sentences: 1. Why is the metric system used when measuring in science?

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Presentation transcript:

Warm-up: Aug. 9, 2012 Using page 18 in your textbook. Answer the following in COMPLETE sentences: 1. Why is the metric system used when measuring in science? 2. What are THREE Safety rules used in a Science Lab?

Lab Equipment

Graduated Cylinder (J)‏ Is used to accurately measure the volume of liquids. The most common measurement for volume is milliliters (mL)‏ Meniscus

Volume How much space something takes up.

Pipette and Burette (P)‏ Used for small liquid measurements

Droppers (O)‏ Used for dispensing and measuring small amounts of liquid.

Beaker (L) and Erlenmeyer Flask Storing and mixing liquids

Test tube (K)‏ Used for mixing and handling liquids

Triple Beam Balance (I)‏ Used to find mass. The most common measurement for mass is grams (g)‏

Ruler or Meter Stick (W)‏ Measure length of an object The most common measurement for length is meter (m)‏

Thermometer (U)‏ Use to measure temperature.

Microscopes (Q)‏ Scientist use them to study small things

Microscope Slide (R)‏

Cover Slip (S)‏

Bunsen Burner (N)‏ Use gas to produce a flame

Test Tube Holder (clamp)‏ Allows you to hold at test tube over a flame.

Test Tube Rack (M)‏ Used to hold multiple test tubes

Safety Goggles (H)‏ Must be worn if any chemicals or glassware is used

Magnifying Glass (A)‏

Dissecting Pan (B)‏

Dissecting Pins (C)‏

Dissecting Scissors (E)‏

Probe (F)‏

Scalpel (G)‏

Forceps (D)‏

Petri Dish (T)‏

Funnel (V)‏

Lab Safety Symbols

Biohazard Wash your hands after handling

Corrosive/Will Burn

Flammable/Combustible

NO food or Drink

Poisonous/Toxic

Radiation

Closure 1. Write down 3 things that are prohibited in the lab? 2. What do you do if something is broken, spilled, or is not labeled in the lab? 3. What should you do before leaving the lab?