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Earth science practice test MCQ: area of a square measuring 5m each side would be with options 25mm2, 5m2, 10m2 and 25m2 with online student guide with quiz questions and answers to prepare for schools' competitions. Free Earth science revision notes to learn si systems quiz with MCQs to find questions answers based online learning tests.

MCQ: Area of a square measuring 5m each side would be

1. 25mm2
2. 5m2
3. 10m2
4. 25m2

D

MCQ: 1000 grams is equal to

1. 1kg
2. 1mg
3. 1µg
4. 1lb

A

MCQ: Number 10 is chosen for basis of SI units because it is

1. binary
2. easy to use
3. trinary
4. the first two digit number

B

MCQ: Density of water in kg/m3 is

1. 1
2. 10
3. 100
4. 1000

D

MCQ: One kilometer is equal to

1. 1x102m
2. 1x104m
3. 1x102dm
4. 1x104dm

D