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Science > Measurements and Units > Flashcards

Measurements and Units Flashcards

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1
Q

What is the unit for time?

A

Seconds (s)

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2
Q

What is the unit for distance?

A

Metres (m)

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3
Q

What is the unit for area?

A

metre squared (m²)

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4
Q

What is the unit for the volume of a regular block?

A

metre cubed (m³) or centimeter cubed (cm³)

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5
Q

What is the unit for mass?

A

Kilograms (kg)

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6
Q

What is the unit for temperature?

A

degrees Celsius (°C) or Kelvin (K)

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7
Q

What is the unit for energy?

A

joule (J)

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8
Q

What is the unit for density?

A

kg/m³

g/cm³

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9
Q

What is the unit for speed?

A

metres per second (m/s)

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10
Q

What is the unit for acceleration?

A

Metres per second squared (m/s²)

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11
Q

What is the unit for force?

A

Newton (N)

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12
Q

What is the unit for voltage?

A

volt (V)

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13
Q

What is the unit for current?

A

Ampere (A)

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14
Q

What is the unit for resistance?

A

ohm

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15
Q

What is the unit for electrical power?

A

watt (W)

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16
Q

What instrument is used to measure length?

A

Ruler or metre stick

17
Q

What instrument is used to measure mass?

A

mass balance

18
Q

What instrument is used to measure diameter?

A

callipers or vernier callipers

19
Q

What instrument is used to measure temperature?

A

thermometer

20
Q

What instrument is used to measure time?

A

stopwatch

21
Q

What instrument is used to measure height?

A

metre stick

22
Q

What instrument is used to measure the volume of a REGULAR block?

A

ruler

23
Q

What instrument is used to measure the volume of a liquid?

A

graduated cylinder

24
Q

What is the unit for the volume of a liquid?

A

litres (l)

25
Q

What is the unit for the volume of an irregular shaped solid?

A

metre cubed (m³) or centimeter cubed (cm³)

26
Q

What instrument is used to measure the volume of an IRREGULAR block?

A

overflow can and a graduated cylinder

27
Q

What instrument is used to measure distance?

A

trundle wheel

28
Q

What instrument is used to measure area?

A

a ruler

29
Q

What instrument is used to measure density?

A

mass balance, graduated cylinder, ruler, overflow can

30
Q

What is temperature?

A

The measure of the heat energy of an object

how hot or cold something is

31
Q

What is area?

A

the amount of space inside the boundary of a 2D object

32
Q

What is the formula to calculate area?

A

length x width

33
Q

What is density?

A

How much mass is packed into a particular object

34
Q

What is mass?

A

The amount of material in an object

35
Q

What is the formula to calculate density?

A

Mass/volume (divided by)

36
Q

What is the formula to calculate mass?

A

distance x volume

37
Q

What is the formula to calculate volume?

A

mass/distance (divided by)

length X width X height

38
Q

What is meniscus?

A

a curve in the surface of a molecular substance when it touches another material.

39
Q

What is the density of water?

A

1 g/cm³

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