Science Class 7
The Ever-Evolving World of Science
Decide whether an idea still fits the evidence, or should be dropped.
11 lessons · ~53 min total
Track progress — 0 of 11 lessons read 0%
Lessons in this topic
- 0 Start here Science is a way of asking, testing and changing ideas. · 3 min You are here
- 1 Ideas can change Keep an idea while every record you trust fits it. · 5 min
- 2 What changes a mind Hold the side the evidence backs best, for now. · 5 min
- 3 Better tools A finer grid gives smaller squares. Two things in one square look like one thing. · 5 min
- 4 A model that works A model works only where it fits. Check a new case first. · 5 min
- 5 Checking each other Compare the gap between averages with the jump inside one group. · 5 min
- 6 Still going A test tells two ideas apart only if they expect different things. · 5 min
- 7 One answer, many questions Many questions can lead to one answer. Good questions start science. · 5 min
- 8 Using science with care Science helps us choose ways that use less and harm less. · 6 min
- 9 The big picture Eight ideas about how science asks, checks and cares. · 4 min
- 10 Track quiz Nine quick questions on how science asks and checks. · 5 min
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