Grade 6 · Science · Unit 2 of 14
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.
Manitoba Curriculum learning outcome: SCI.6.D.1, SCI.6.D.2, SCI.6.D.3, SCI.6.D.4, SCI.6.D.6, SCI.6.D.7 · 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.
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
Show answer
best fits the evidence at the time
Hint: Models can change as new evidence appears.
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
Show answer
both benefits and drawbacks
Hint: Technologies can help and harm.
Question 3
Which is a measurement?
- The plant is 12 cm tall.
- I like the plant.
- The plant looks happy.
Show answer
The plant is 12 cm tall.
Hint: A measurement has a number and a unit.
Question 4
Which is an observation?
- The plant must be unhappy.
- The leaves turned yellow.
- Plants are boring.
Show answer
The leaves turned yellow.
Hint: An observation is what you notice.
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
Show answer
revise the idea and test again
Hint: Honest results are what matter.
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?
Show answer
Is it fair and safe for everyone it affects?
Hint: Ethics asks about right and fair.