Borrow a structure idea
Borrow a structure idea using supplied evidence and a solved model.
About 12 minutes, plus any extended practice
Supplied materials
- For younger learners, an adult may read each direction aloud; pointing, drawing and spoken explanations count as responses.
- Paper, drawing space or a browser document.
- Reference card A: modeled on a burr that attaches. Reference card B: modeled on a protective shell.
- Assessment case 1: Which scientific label fits the specifically described step or feature? Supplied case: Goal is attach to fabric.
- Assessment case 2: Which scientific label fits the specifically described step or feature? Supplied case: Goal is shield a delicate toy.
- Assessment case 3: Which scientific label fits the specifically described step or feature? Supplied case: Goal is push against water.
- Assessment case 4: Which scientific label fits the specifically described step or feature? Supplied case: Goal is face a light source.
- Assessment case 5: Which scientific label fits the specifically described step or feature? Supplied case: Goal is protection from bumps.
- Assessment case 6: Which scientific label fits the specifically described step or feature? Supplied case: Goal is catch available light.
Learn the idea
Engineers can take inspiration from organisms without making exact copies. Match the stated function. A paper drawing is only a proposal, not proof of performance.
Hook means modeled on a burr that attaches. Cover means modeled on a protective shell. Broad paddle means modeled on a swimming foot. Light-catching panel means modeled on a leaf’s light-facing area.
For hook, look for the clue “modeled on a burr that attaches.” For cover, look for “modeled on a protective shell.” 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 “modeled on a burr that attaches”; a second states “modeled on a protective shell.” The first fits hook and the second fits cover. 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 “modeled on a burr that attaches” to justify hook; do not sort by the name alone.
- Distinguish cover (modeled on a protective shell) from a different process occurring in the same situation.
See the answer and explanation
hook
The answer is hook. In the notes, it means “modeled on a burr that attaches.” Engineers can take inspiration from organisms without making exact copies. Match the stated function. A paper drawing is only a proposal, not proof of performance.
Take it further
Create one new case showing hook and one showing cover. Expected: the first explicitly shows “modeled on a burr that attaches”; the second explicitly shows “modeled on a protective shell.” 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.