Measurement Flashcards
Instruments used to measure length
Meter stick
Measuring tape
Trundle wheel
Opisometer
An opisometer is used to measure the length of crooked lines with a meter stick/ ruler
Calipers
A calipers is used to measure the width or diameter of round objects:
A simple callipers:
It has no scale and must be used with a ruler
A vernier callipers:
This is more accurate and measures distances as small as 1mm
Area
Is the amount of surface a shape covers
Units of area: cm2 m2 km2
Si unit: m2
Volume
The volume of a body is the amount of space it takes up
Volume of an irregular solid
Notes
Large objects
Notes
Temperature
Tells us how hot something is
Unit of temperature
Degrees Celsius
Mass
The mass of an object is the Amount of matter (stuff) in it
Mass is measured in:
G or kg
Si unit: kg
Length
The distance between 2 places
Units: mm cm m km
Si unit: meter