Experiments Flashcards
List your five senses.
Sight Sound Touch Smell Hearing
State which of the abbreviations below are
correct for these units:
a gram
g
State which of the abbreviations below are
correct for these units:
kilogram
kg
State which of the abbreviations below are
correct for these units:
millimetre
mL
State which of the abbreviations below are
correct for these units:
litre
L
State which of the abbreviations below are
correct for these units:
minute
min
Identify the best metric unit to use to measure the length of:
a a bull-ant
b the length of a cricket field
c the distance between Brisbane and Sydney.
a) mm
b) hectare
c) km
Identify the best SI unit to measure the: a mass of a mouse b time it takes to sneeze c temperature of a sick dog d mass of a person e volume of a swimming pool
a) g
b) s
c) °C
d) kg
e) L
Below is an observation, an inference and a prediction. Identify which is which.
•1. The colours of a felt-tip pen ran when they got wet.
•2 Washing should get the stain of a felt-tip pen out of my shirt.
•3 The inks used in a felt-tip pen can dissolve in water.
- Observation
- Prediction
- Inference
State what is wrong with the way these measurements have been recorded.
a The mass of a mouse = 15014 g.
b The car was travelling at 100.
c A full bottle of soft drink contained 1.25 mL.
b.. does not have a unit of measure
Classify the following observations as qualitative or quantitative.
a The night was dark.
b It took 15 minutes to walk to school.
a. qualitative
b. Quantitative
Define Inference
logical explanation given a set of measurements and observations
Define Prediction
A prediction must be logical and must be based on the observations you made in your experiments. An outcome that may happen.
What is the purpose of scientific reports?
scientific report to explain how they ran an experiment, what they measured and how they interpreted the results.
What is the purpose of tables and graphs?
Tables and graphs help to display patterns in their measurements.
Why display results in tables?
Measurements and observations are easier to read and analyse if they are displayed in tables. Trends are also easier to spot.