TINOO — Make every learning effort count

Question 1

Which is a complete measurement?

masskilogram2.4 kgbalance

Question 2

72 km h⁻¹ is equal to:

2 m s⁻¹20 m s⁻¹72 m s⁻¹200 m s⁻¹

Question 3

A reasonable classroom length is:

10⁻² m10⁰ m10¹ m10⁴ m

Question 4

The order of magnitude of 7.0 × 10³ m is:

10² m10³ m10⁴ m10⁵ m

Question 5

Which statement is correct?

Changing units changes the physical quantity.A unit is a measuring instrument.Every measurement needs a magnitude and unit.Estimates require exact data.

Structured question 1

Convert 2.5 km to metres.

Structured question 2

A car travels at 15 m s⁻¹ for 10 s. Estimate the distance travelled.

Structured question 3

Physical quantities