A laboratory balance reads 0.004 kg for a paper clip. That is…
40 g
400 g
0.4 g
4 g
Trivia for Kids 8–14 · Mixed
Units That Matter
Ten fresh questions for ages 8–14 exploring units that matter. Mixed difficulty with explanations and host verification notes in the import file.
A swimming pool's capacity is a measure of…
Voltage
Pitch
Volume
Brightness
A speed of 36 km/h equals…
10 m/s
3.6 m/s
36 m/s
100 m/s
Why must 2 metres not be added directly to 30 centimetres as 32 metres?
Lengths cannot be added
Units must first match
Two is always too small
Centimetres measure mass
One square metre contains how many square centimetres?
1,000
10
10,000
100
True or false: A millilitre and a cubic centimetre describe equal volumes.
True
False
A scale marked in newtons measures…
Electric charge
Force
Mass directly
Temperature
Which connects a kilometre and a millimetre?
Prefixes scaling a metre
Both equal one metre
Both measure time
Both measure area only
Why is a unit essential beside 'the distance is 20'?
The distance must be negative
All distances equal twenty
Units replace measurement
The number alone gives no scale
A measurement reported as 5.0 cm rather than 5 cm can signal…
Ten times the length
Finer stated precision
A change to millimetres
A different physical length necessarily