Measurement and Units

Grade 7 Science — Measurement and Units: 25 practice questions with instant scoring and explanations.

1. The SI unit of length is:
2. The SI unit of mass is:
3. The SI unit of time is:
4. 1 kilometer equals:
5. 1 meter equals:
6. 1 kilogram equals:
7. 1 hour equals:
8. The SI unit of temperature is:
9. A ruler is used to measure:
10. A balance is used to measure:
11. A thermometer is used to measure:
12. A stopwatch or clock is used to measure:
13. A measuring cylinder is used to measure:
14. The prefix 'kilo-' means:
15. The prefix 'milli-' means:
16. The prefix 'centi-' means:
17. 1 centimeter equals:
18. 5 kilometers equals:
19. 500 millimeters equals:
20. 2500 grams equals:
21. Significant figures are important in measurements because they:
22. In the measurement 5.30 cm, the number of significant figures is:
23. An analog scale has graduations that allow measurement to:
24. The SI unit of velocity is:
25. The SI unit of acceleration is: