Explain a tradeoff
Explain a tradeoff using supplied evidence and a solved model.
About 18 minutes, plus any extended practice
Supplied materials
- All measurements and observations below are supplied classroom examples. They are not data from actual learners or a claim about a particular real site.
- Paper, drawing space or a browser document.
- Reference card A: one benefit comes with another cost. Reference card B: better on every supplied criterion.
- Assessment case 1: Which scientific label fits the specifically described step or feature? Supplied case: Stronger but uses more sheets.
- Assessment case 2: Which scientific label fits the specifically described step or feature? Supplied case: Stronger and uses fewer sheets.
- Assessment case 3: Which scientific label fits the specifically described step or feature? Supplied case: Same strength and sheets.
- Assessment case 4: Which scientific label fits the specifically described step or feature? Supplied case: Strength result for one model is missing.
- Assessment case 5: Which scientific label fits the specifically described step or feature? Supplied case: Lighter but weaker.
- Assessment case 6: Which scientific label fits the specifically described step or feature? Supplied case: Both models match every stated result.
Learn the idea
A design may improve one criterion while costing more material. State both changes. Claims outside supplied tests require more evidence; no single score captures every purpose.
Tradeoff means one benefit comes with another cost. Dominates means better on every supplied criterion. Tie means same supplied performance and cost. Unresolved means needed comparison result missing.
For tradeoff, look for the clue “one benefit comes with another cost.” For dominates, look for “better on every supplied criterion.” More than one process can happen in a real situation. Answer about the one described in this question.
- Read or listen to the four science words and what each means. Say how the first two differ.
- Choose two of the short cases. Point to the clue that helps you choose a science word for each one. You may draw or say your answer.
- Answer each practice question. Say which clue helped you, then check the explanation.
- Use the extra task to make two examples that show different science words. Draw or say what makes each one fit.
See the method in action
Worked reference-card problem: a card states “one benefit comes with another cost”; a second states “better on every supplied criterion.” The first fits tradeoff and the second fits dominates. The reason is the described function or change, not the order of the cards or a favorite name. If their descriptions exchange places, their category labels exchange too. Keep the supplied descriptions attached to the correct case.
Check your reasoning
Your answer is temporary and is not saved to an account. Download your current answer before leaving or reloading. Written work on paper or in another app stays in your own file.
Helpful tips
- Use the feature “one benefit comes with another cost” to justify tradeoff; do not sort by the name alone.
- Distinguish dominates (better on every supplied criterion) from a different process occurring in the same situation.
See the answer and explanation
tradeoff
The answer is tradeoff. In the notes, it means “one benefit comes with another cost.” A design may improve one criterion while costing more material. State both changes. Claims outside supplied tests require more evidence; no single score captures every purpose.
Take it further
Create one new case showing tradeoff and one showing dominates. Expected: the first explicitly shows “one benefit comes with another cost”; the second explicitly shows “better on every supplied criterion.” Explain the distinction by drawing, speaking or writing. A label without a matching feature is incomplete.
Nothing here is saved to an account or sent to a teacher. The answer download includes your current choice and any checked feedback. It does not include choices from the separate More practice section. Download that section separately.
More practice: try new cases
Choose an answer for each problem. Explain your method on paper, then use the feedback to decide what to revisit.
Your choices are temporary. Feedback appears after you check all the answers.
Nothing here is saved to an account or sent to a teacher. Keep your own notes or download them before leaving. The score describes these questions; it does not certify subject mastery.
Check the subject sources
These LifeStarter passages, scenarios and exercises are authored for this Academy with AI assistance and review. External resources keep their publishers’ terms. A grade label suggests a starting level; it does not establish alignment with your school’s complete requirements.