Grade 7 · Science · Unit 13 of 16
Tools & Metric Units
Pick the right tool and convert metric units
What your child practises
Children practise matching measurement tools to what they measure, using SI units and prefixes, converting between metric units and estimating.
Manitoba Curriculum learning outcome: SCI.7.C.2 · measurement tools, SI units and prefixes, converting and estimating
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
4.2 litres is the same as…
- 42 mL
- 42 000 mL
- 420 mL
- 4200 mL
Show answer
4200 mL
Hint: Multiply by 1000.
Question 2
The SI prefix “milli” means…
- one tenth
- one thousandth
- one hundred
- one thousand
Show answer
one thousandth
Hint: A millimetre is one thousandth of a metre.
Question 3
Which tool measures force?
- graduated cylinder
- ruler
- spring scale
- thermometer
Show answer
spring scale
Hint: A spring scale reads force in newtons.
Question 4
Which unit measures the speed of a car on a highway?
- km/h
- mL
- kg
- J
Show answer
km/h
Hint: Kilometres per hour.
Question 5
How many minutes are in 2 hours?
- 120
- 60
- 200
- 100
Show answer
120
Hint: 2 × 60 = 120.
Question 6
The symbol “µ” stands for the prefix…
- milli (one thousandth)
- kilo (one thousand)
- micro (one millionth)
- mega (one million)
Show answer
micro (one millionth)
Hint: Micro is the smallest of these.