News by Levels · Level 3 · For teachers
Teacher guide & answers
In this lesson: Distinguish verification stages and interpret temporal attribution.
The ASCENT record distinguishes readiness from in-space results
How to use these two pages
Give learners the student worksheet. It contains the story and questions, without the answers. Keep this guide for yourself. Use it to lead the activity and explain the answers afterwards.
Student worksheetA simple 15–20-minute lesson
- Before reading · 2 minutes
Show the title. Ask: “What do you think this story is about?”
- Read and answer · 8–10 minutes
Give out the student worksheet. Learners read for the main idea, then reread to answer the 2 questions. They can compare answers with a partner.
- Discuss and write · 5–8 minutes
Check the answers below together. Ask learners to point to the clue in the story, then finish with the open question.
Adjust the support: Let learners use word help or Level 1 if needed. For a challenge, compare the wording in another level. This activity is not a proficiency test.
Answers to the 2 questions
The question numbers match the student worksheet. Each answer includes a reason and the clue learners can find in the story.
What can completed ground tests independently establish?
Correct answer: B — A preflight milestone
Why: The second paragraph expressly limits ground-test evidence.
Clue in the story: Completed ground tests establish a preflight milestone; they cannot independently verify the planned system’s performance in orbit.
What does “should not be conflated with” mean?
Correct answer: B — Should not be treated as the same as
Why: The last paragraph separates launch from demonstration completion.
Clue in the story: A separate NASA update reported launch on 1 October. That is identified as a later development, not something known at the September publication, and should not be conflated with completion of the propulsion demonstration.
The open question: accept different answers
Ask learners: Explain why the record needs three separate milestones and a dated update.
One possible answer: Ground testing addresses preflight readiness, launch records departure, and the propulsion demonstration concerns in-space performance. The October launch belongs in a later update, not as knowledge already available in the September publication.
This is an example, not the only correct answer. Look for a relevant idea, a reason and the learner’s own words. Learners can answer aloud or write one or two sentences.
Grammar to discuss
A later development, not earlier knowledge
not something known at the September publication
This negative phrase preserves the timing of knowledge: the later update must not be presented as already confirmed in the earlier report.