lab techniques. measuring distance length = the distance between two points always use a metric...
TRANSCRIPT
How to read a metric ruler
1 2 3 4 5cmcm
Value =
Always estimate the last digitAlways estimate the last digit
1.67 cm
mmmm
What is the length indicated below?What is the length indicated below?
Volume• the amount of
space something occupies
• Calculating volume of a cube
L x W x H
Check for Understanding:
Determine the volume of a cube that is 3 cm x 2 cm x 5 cmAnswer: 30 cm3
Volume•Of a liquid Use a Graduated Cylinder
Read the bottom of the curve of liquid (meniscus)
The volume of water in this cylinder is 6.62 mL
Mass• the amount matter in a
substance• measured
In grams (g) Using either a triple beam
balance or an electronic balance
Reading a Celsius themometer
What is the Celsius temperature on the thermometer to the right?answer: 12.1 C
Measuring Time and Temp
Your Turn!Your Turn! What is the celcius
temperature of the thermometer to the right?
answer: 13.8 oC
Temperature