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Grade 6 · Science · Unit 2 of 12

How Science Works

Hypotheses, evidence, models and what technology means for people and nature.

What your child practises

Practises how scientists make predictions, collect data and use evidence, how explanations change over time, and the benefits and drawbacks of technologies.

Nunavut Curriculum approved guide: NWT Science and Technology K–6 (2004), Physical science · the nature of science: hypotheses, data, evidence, and technologies and their consequences

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    A scientific theory or model is the one that…

    • is the oldest
    • is the most popular
    • best fits the evidence at the time

  2. Question 2

    Cars let people travel quickly but also produce pollution. This shows that technology can have…

    • both benefits and drawbacks
    • no effects
    • only benefits

  3. Question 3

    Which is a measurement?

    • The plant is 12 cm tall.
    • I like the plant.
    • The plant looks happy.

  4. Question 4

    Which is an observation?

    • The plant must be unhappy.
    • The leaves turned yellow.
    • Plants are boring.

  5. Question 5

    If the data do not match the hypothesis, a scientist should…

    • change the data
    • hide the data
    • revise the idea and test again

  6. Question 6

    Which question is about the ethics of a technology?

    • What colour is it?
    • Is it fair and safe for everyone it affects?
    • Who is tallest?

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