How tall is this cat (including ears) in centimeters? Answer within 0.1 cm
6.3 cm
(6.2 or 6.4 is fine)
Who is responsible for lab safety?
Everyone!
(not just teachers or adults)
Name that tool!
Graduated cylinder
If there is no decimal point in a number, where do you put it so you can do a conversion?
After the ones column (at the end)
Complete the blanks. You must get all three!
What is the skip count of this graduated cylinder?
2 mL
Give TWO examples of prohibited horseplay.
Some examples:
Running, play-fighting, throwing things, playing practical jokes
Name that tool!
Erlenmeyer flask
Convert
70.35 centimeters to meters
Decimal point 2 places left
0.7035 meters
How many...? (you have to get all 3!)
What is the mass of the item on this triple beam balance?
536.8 g
(536.7 is ok)
What should you do if there is a fire?
Make sure an adult knows and calmly evacuate the room if it feels dangerous
(students don’t fight fires!)
What is this tool used for?
Transferring small amounts of liquid
Convert
9.2 g to mg
Decimal point 3 places right
9200.0 mg
What is a reasonable metric unit to find the mass of a lion?
kilograms
(kg)
How much liquid is in this graduated cylinder? Assume the unit is mL
6.6 mL
Name two pieces of safety equipment and/or things you can’t wear during lab
Equipment - goggles, gloves, apron or lab coat
Can’t wear - long hair unless tied back, dangly jewelry, loose clothes, open toed shoes
What is this tool used for?
Holding multiple test tubes (the dowels are for drying the tubes)
Convert
42 centiliters to dekaliters
Decimal point 3 places to the right
0.042 dekaliters
What is the skip count on this graduated cylinder?
0.5 mL
What is the mass of the item on this triple beam balance?
105.6 g
(105.7 g is ok)
When can you use the eyewash without asking for permission?
When there is an emergency!
(if someone really gets something in their eyes, you don’t need to ask)
When is a graduated cylinder a better tool to use than a beaker?
When you need an exact amount (graduated cylinders typically measure more precisely)
Convert
6.3819 km to cm
Decimal point 5 places right
638190 cm
What is the skip count of this measuring cup?
How many mL of liquid are in it?
Skip count: 50 mL
Amount in cup: 300 mL