Grade 3 · lesson 1 of 4

Recognize magnetic interactions

Recognize magnetic interactions using supplied evidence and a solved model.

About 18 minutes, plus any extended practice

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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: poles or material move toward each other. Reference card B: poles move away from each other.
  • Assessment case 1: Which scientific label fits the specifically described step or feature? Supplied case: N and S poles move closer.
  • Assessment case 2: Which scientific label fits the specifically described step or feature? Supplied case: N and N poles move apart.
  • Assessment case 3: Which scientific label fits the specifically described step or feature? Supplied case: Magnet near paper shows no movement.
  • Assessment case 4: Which scientific label fits the specifically described step or feature? Supplied case: Hand presses the block.
  • Assessment case 5: Which scientific label fits the specifically described step or feature? Supplied case: S and S poles separate.
  • Assessment case 6: Which scientific label fits the specifically described step or feature? Supplied case: S and N poles approach.

Learn the idea

Magnets can interact without touching. Like magnetic poles repel and unlike poles attract. Magnetism does not attract every metal; supplied materials must be checked by evidence.

Attract means poles or material move toward each other. Repel means poles move away from each other. No observed interaction means record shows no change. Contact push means force is supplied through touching.

For attract, look for the clue “poles or material move toward each other.” For repel, look for “poles move away from each other.” More than one process can happen in a real situation. Answer about the one described in this question.

  1. Read or listen to the four science words and what each means. Say how the first two differ.
  2. 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.
  3. Answer each practice question. Say which clue helped you, then check the explanation.
  4. Use the extra task to make two examples that show different science words. Draw or say what makes each one fit.
Worked example

See the method in action

Worked reference-card problem: a card states “poles or material move toward each other”; a second states “poles move away from each other.” The first fits attract and the second fits repel. 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.

Your turn

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 “poles or material move toward each other” to justify attract; do not sort by the name alone.
  • Distinguish repel (poles move away from each other) from a different process occurring in the same situation.
Which scientific label fits the specifically described step or feature? Supplied case: N and S poles move closer.

Feedback appears here after you check. This is practice, not a graded school assessment.

See the answer and explanation

attract

The answer is attract. In the notes, it means “poles or material move toward each other.” Magnets can interact without touching. Like magnetic poles repel and unlike poles attract. Magnetism does not attract every metal; supplied materials must be checked by evidence.

Take it further

Create one new case showing attract and one showing repel. Expected: the first explicitly shows “poles or material move toward each other”; the second explicitly shows “poles move away from each other.” 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.

More practice: try new cases
1. Which scientific label fits the specifically described step or feature? Supplied case: N and N poles move apart.
Need a hint?
  • Look for the described feature: poles move away from each other.
  • Compare the clue with each science word. Use only what the case tells you; do not add a new event.
2. Which scientific label fits the specifically described step or feature? Supplied case: Magnet near paper shows no movement.
Need a hint?
  • Look for the described feature: record shows no change.
  • Compare the clue with each science word. Use only what the case tells you; do not add a new event.
3. Which scientific label fits the specifically described step or feature? Supplied case: Hand presses the block.
Need a hint?
  • Look for the described feature: force is supplied through touching.
  • Compare the clue with each science word. Use only what the case tells you; do not add a new event.

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.