Pass Check: Measures
Convert between metric units of length, mass, capacity and time, and compound measures.
Compound measure
A measure made from two other measures, such as speed (distance ÷ time) or density (mass ÷ volume).
Metric unit
A unit based on powers of 10, such as mm, cm, m, km or g, kg.
Density
The mass per unit volume of a substance, usually in g/cm³ or kg/m³.
Speed
The distance travelled per unit of time, usually in m/s or km/h.
Quick check
Mixed quiz
1. Convert 4.0 kg into grams.
2. A car travels at 55 mph. Convert this speed to km/h, using 1 mile = 1.6 km.
3. Convert 5.0 kg into grams.
4. A car travels at 70 mph. Convert this speed to km/h, using 1 mile = 1.6 km.
5. A speed of 12 m/s is how many km/h?
6. A car travels at 40 mph. Convert this speed to km/h, using 1 mile = 1.6 km.
7. A car travels at 50 mph. Convert this speed to km/h, using 1 mile = 1.6 km.
8. A car travels at 65 mph. Convert this speed to km/h, using 1 mile = 1.6 km.