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Unit summary

Check your knowledge and understanding

1. Express the values in SI units for each situation, i) a power station generator
a) – c).
j) water boiling
a) A car travelled 3.5 km.
textbooks nis edu kz
k) metal melting
b) My trip took 30 minutes.
l) wood burning
c) I bought 200 grams of sweets.
3. Air temperature is different in the daytime from
2. Match phenomena types with their examples. at night. If the air temperature was +20 С during
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(Some examples will have more than one the day, and in the evening the thermometer
phenomena type.) liquid fell by 3 divisions on the scale, what was
the evening thermometer reading?
mechanical sound light thermal

a) light from a torch

b) the glow of a PC monitor
c) birds singing

d) bells ringing

e) a car horn beeping

f) a stone falling
g) a car moving

h) a motor

Assess your learning

Reflect on how well you met the learning objectives of this unit. Use the worksheet provided by
your teachers to develop your own targets.

How confident am I?

I can …
give examples of physical phenomena and differentiate between them
carry out simple measurements of time using a stopwatch and a measurement of length using a ruler

determine the scale division value of devices and express the uncertainty in measurement values
differentiate scalar from vector values and give examples

add and subtract vector and scalar quantities
express units of mass, time and length according to SI

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