1. Making Observations

2. Making Observations

3. Qualitative Observations
Qualitative observations are descriptive (discrete data)
Recorded as diagrams or words
Use your senses to observe results (sight, smell, touch, taste or hear)
Examples: Colour, long or short, hot or cold

4. Quantitative Observations
Quantitative observations are written in numbers (continuous data)
Allow scientists to be more detailed and accurate
Observations are measured using rulers, measuring cylinders, thermometers, balances
Examples: Distance, Mass, Temperature, Volume, Time

5. Worksheet: Making Observations
The taste of food
_________________________________
The distance between home and school
The mass of your textbook
The temperature outside in degrees
Time taken to run 100m
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The colour of petals on a flower
The sound a bird makes
The feel of the temperature outside
Qualitative
Quantitative
Quantitative
Qualitative
Quantitative
Qualitative
Quantitative
Qualitative

6. Units Measurement Units
Distance, lengths and heights
Millimetres (mm)
Centimetres (cm)
Metres (m)
Kilometres (km)
Mass
Grams (g)
Kilograms (kg)
Tonnes (t)
Volume
Millilitres (mL)
Litres (L)
Time
Seconds (s)
Minutes (min)
Hours (h)
Temperature
Degrees Celsius (°C)
Measurements are useless unless their units are included. Each unit has its own symbol.

7. Measuring Liquids – Meniscus
The meniscus is the curved shape formed by the surface of a liquid where is meets another surface

8. Measuring Liquids
Pearson places  Resources  Chapter 1 Working Scientifically  Interactive Activities  Measuring volumes of liquids

9. Module 1.2
Questions
Q4,5,7,8,10,13,15
(page 19)