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Grade 2 · lesson 3 of 4

Read repeated model tests

Read repeated model tests using supplied evidence and a solved model.

About 12 minutes, plus any extended practice

Download the grade pack

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: all supplied runs meet the goal. Reference card B: some runs pass and some fail.
  • Assessment case 1: Which scientific label fits the specifically described step or feature? Supplied case: Dry dry dry.
  • Assessment case 2: Which scientific label fits the specifically described step or feature? Supplied case: Dry wet dry.
  • Assessment case 3: Which scientific label fits the specifically described step or feature? Supplied case: Wet wet wet.
  • Assessment case 4: Which scientific label fits the specifically described step or feature? Supplied case: No test pictures.
  • Assessment case 5: Which scientific label fits the specifically described step or feature? Supplied case: Goal met in each of two runs.
  • Assessment case 6: Which scientific label fits the specifically described step or feature? Supplied case: Goal missed in each run.

Learn the idea

Repeated tests reveal whether a result is consistent. A failed run should remain in the record. The supplied tests do not prove performance outside the stated conditions.

Consistent pass means all supplied runs meet the goal. Mixed means some runs pass and some fail. Consistent fail means all supplied runs miss the goal. Missing means no runs supplied.

For consistent pass, look for the clue “all supplied runs meet the goal.” For mixed, look for “some runs pass and some fail.” 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 “all supplied runs meet the goal”; a second states “some runs pass and some fail.” The first fits consistent pass and the second fits mixed. 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 “all supplied runs meet the goal” to justify consistent pass; do not sort by the name alone.
  • Distinguish mixed (some runs pass and some fail) from a different process occurring in the same situation.
Which scientific label fits the specifically described step or feature? Supplied case: Dry dry dry.

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

See the answer and explanation

consistent pass

The answer is consistent pass. In the notes, it means “all supplied runs meet the goal.” Repeated tests reveal whether a result is consistent. A failed run should remain in the record. The supplied tests do not prove performance outside the stated conditions.

Take it further

Create one new case showing consistent pass and one showing mixed. Expected: the first explicitly shows “all supplied runs meet the goal”; the second explicitly shows “some runs pass and some fail.” 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: Dry wet dry.
Need a hint?
  • Look for the described feature: some runs pass and some fail.
  • 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: Wet wet wet.
Need a hint?
  • Look for the described feature: all supplied runs miss the goal.
  • 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: No test pictures.
Need a hint?
  • Look for the described feature: no runs supplied.
  • 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.