Step 6 of 18 · Observing the universe · SC4-OTU-01
How we know
Observation, then explanation, then better instruments that change the explanation.
Learn it
Explain how observations, models and technology have increased scientific knowledge, including First Nations astronomy
Idea 1 of 4
Observation versus inference
An observation is something you see or measure directly: 'the Moon's shape changes over a month'. An inference is what you reason from it: 'the Moon must be orbiting us'. Good science keeps the two apart.
Know it by heart
Say each one in your head, then tap to check.
Try it
Play — nothing here is marked
Statement 1 of 12
“The Moon looks like a thin crescent tonight.”
A full-marks answer
Describe how the invention of the telescope changed scientific understanding of the solar system.
3 marksBuilt one line at a time — say the next line before you reveal it
- Before telescopes, most people accepted the geocentric model, with Earth at the centre.(what was believed before)
Words to know
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Step 6 · last bit
Ready? Prove it.
A round of ten. Score 8 or more and this step is done — then on to balanced and unbalanced forces.