Measurements and Units Flashcards
What is the unit for time?
Seconds (s)
What is the unit for distance?
Metres (m)
What is the unit for area?
metre squared (m²)
What is the unit for the volume of a regular block?
metre cubed (m³) or centimeter cubed (cm³)
What is the unit for mass?
Kilograms (kg)
What is the unit for temperature?
degrees Celsius (°C) or Kelvin (K)
What is the unit for energy?
joule (J)
What is the unit for density?
kg/m³
g/cm³
What is the unit for speed?
metres per second (m/s)
What is the unit for acceleration?
Metres per second squared (m/s²)
What is the unit for force?
Newton (N)
What is the unit for voltage?
volt (V)
What is the unit for current?
Ampere (A)
What is the unit for resistance?
ohm
What is the unit for electrical power?
watt (W)
What instrument is used to measure length?
Ruler or metre stick
What instrument is used to measure mass?
mass balance
What instrument is used to measure diameter?
callipers or vernier callipers
What instrument is used to measure temperature?
thermometer
What instrument is used to measure time?
stopwatch
What instrument is used to measure height?
metre stick
What instrument is used to measure the volume of a REGULAR block?
ruler
What instrument is used to measure the volume of a liquid?
graduated cylinder
What is the unit for the volume of a liquid?
litres (l)
What is the unit for the volume of an irregular shaped solid?
metre cubed (m³) or centimeter cubed (cm³)
What instrument is used to measure the volume of an IRREGULAR block?
overflow can and a graduated cylinder
What instrument is used to measure distance?
trundle wheel
What instrument is used to measure area?
a ruler
What instrument is used to measure density?
mass balance, graduated cylinder, ruler, overflow can
What is temperature?
The measure of the heat energy of an object
how hot or cold something is
What is area?
the amount of space inside the boundary of a 2D object
What is the formula to calculate area?
length x width
What is density?
How much mass is packed into a particular object
What is mass?
The amount of material in an object
What is the formula to calculate density?
Mass/volume (divided by)
What is the formula to calculate mass?
distance x volume
What is the formula to calculate volume?
mass/distance (divided by)
length X width X height
What is meniscus?
a curve in the surface of a molecular substance when it touches another material.
What is the density of water?
1 g/cm³