Key ideas
- Science Journal for Kids and Teens offers versions of varying complexity in a specific collection, not necessarily for all its articles.
- Distinguishing an adaptation, a news article, and an original study helps trace what was measured and what conclusions the evidence supports.
- A shared scientific question can be paired with different reading supports and a separate assessment of comprehension and reasoning.
One Shared Question, Different Supports
Before choosing a reading, define the science objective: what question the group should understand and how it relates to the topic they are studying. Then examine the vocabulary load, sentence length, prior knowledge required, and complexity of the figures. Choose content appropriate for the students’ age and classroom context; adjust the reading difficulty without making the topic seem childish or removing scientific caveats.
As a possible way to organize the work, in elementary school students could read together with a glossary; in secondary school, they could compare versions and justify a conclusion using a figure; and advanced readers could compare methods and limitations with the original study. These are flexible supports that teachers can adapt after observing students’ comprehension, not official equivalencies between ages and levels or a program with demonstrated effectiveness.
Science Journal for Kids and Teens brings together a collection of articles with upper and lower versions of the same adapted article, as well as questions and activity suggestions. The organization does not indicate that every text in its catalog is available at two levels. Its school categories—elementary school, middle school, and high school—correspond to the US system and do not automatically translate into the ages or grade levels used in other countries. They can therefore serve as a reference, but not as universal equivalencies or measures of intelligence.
One way to preserve the science objective is to pose the same question to the whole group and vary the supports: explain vocabulary, provide a glossary, guide the reading, or offer sentence starters. When comparing two versions, students can identify which question and caveats remain the same, and which words or methodological details change. These activities are teaching suggestions, not results from a study of educational effectiveness.
An adaptation should not erase the distinction between what was observed and what is interpreted. A simpler sentence can preserve the object of study, the method, and the limits of a conclusion, even if it leaves out details that are not necessary for the reading task. The group’s actual comprehension—and not just a platform’s level label—can guide what support to provide.
Tracing the Adaptation, News Story, and Study
An adaptation, the news story that may have inspired it, and the original scientific article are different documents. It is useful to identify the authorship and dates of each, and to follow the references to the scholarly work when available. In Newsela, MAX refers to the original news article or journalistic publication, not necessarily the scientific article it reports on.
When reading a study, students can ask what was measured and by what method. If there is a figure, its axes, units, and caption help establish what it represents before interpreting it. Distinguishing the observed data, the proposed explanation, and the conclusions that the material does not support helps avoid presenting an interpretation as if it were a measurement. An institutional page can provide context about research, but it does not replace the original scientific article; nor do multiple publications repeating the same news story constitute independent confirmations simply by virtue of doing so.
Access conditions are another aspect to review before assigning a reading. Newsela Lite offers a limited, rotating selection of news stories at five levels; articles have expiration dates. With active content, it allows users to assign readings, choose or set a level, view quizzes, and respond to annotations or texts. It does not guarantee the full catalog or the continued availability of an article. A subscription provides access to premium content and additional features; Binder aggregation, collections, and certain exports or integrations are not available in Lite. Check the current account and license before planning.
Comparing Resources Without Confusing Their Functions
Resources do not necessarily offer the same type of text or the same supports. The table summarizes documented features; availability and conditions may change. Free access, availability of a feature, and permission to reuse material are different matters.
| Resource | What it offers | Access and limitations |
|---|---|---|
| Science Journal for Kids and Teens | A specific collection includes upper and lower versions of the same article, questions, and activity suggestions. | The content is free. The general policy states that the content is licensed under CC BY with attribution, unless otherwise noted; also check the credits for each item. |
| Newsela | Newsela Lite offers a limited, rotating selection of news stories at five levels. MAX is the original journalistic publication, not necessarily the scientific article. | Lite allows some features with active articles, but does not include the premium catalog, Binder aggregation, collections, or certain exports or integrations. Availability depends on the account and license. |
| Frontiers for Young Minds | Publishes articles about discoveries and concepts, written by scientists. Young readers provide comments with the help of a science mentor; after review, an associate editor validates the article. | Reading is free. It is not a universal selector of multiple versions of the same article and does not guarantee a consistent difficulty level. |
| ReadWorks | Offers texts by topic and level. StepReads can serve as a bridge between a less complex text and a more challenging reference text. | Texts are offered free of charge; assigning and tracking them may require an account. Related texts are not necessarily simplified versions of the same news story. |
At Science Journal for Kids and Teens, free access does not mean that any material can be modified or redistributed without regard to its license and credits. In Newsela Lite, the selection rotates and articles expire, so it is best not to plan on the assumption that a fixed number of readings will be available. In both cases, checking the conditions before class helps avoid confusing a general description of the service with the availability of a specific text.
A Documented Example: Carbon on Mars
What can we learn from carbon on Mars? is an adaptation from May 2023 based on a 2022 study by Stern and colleagues. The page includes two versions of varying complexity, suggested answers for teachers, and a link to the academic article; a Spanish version of this resource is also available. It is an example based on published research, not a new news story.
The versions describe the analysis of a Martian rock sample using SAM, aboard the Curiosity rover. A reading activity could ask the group to examine a figure’s caption, axes, magnitudes, and units, and compare which details appear in both versions. This provides practice in interpreting a scientific representation without treating its values as a measure of the probability of life or copying the data from the figure.
The central caveat is that detecting organic carbon does not prove that life exists. NASA information notes that carbon can also come from meteorites, volcanism, or other nonbiological processes. This institutional news item provides context about the work, but does not replace the original scientific article.
Reading card: Mars
| Task or question | Suggested answer |
|---|---|
| What was analyzed, and with which instrument? | A Martian rock sample; the analysis was performed using SAM, aboard Curiosity. |
| What does the detection of organic carbon allow us to say? | That organic carbon was detected in the sample described. |
| What would be an unwarranted conclusion? | Claiming that the detection proves there was life. Organic carbon can also have nonbiological origins. |
| What should be consulted to better assess the interpretation? | The original study, its methods and measurements, the comparisons used, and the alternative explanations it considers. The reading card adds no experimental results. |
Two original micro-adaptations can preserve the object, instrument, and caveat. With more support: “Curiosity analyzed a rock sample from Mars with SAM. Organic carbon was detected. This carbon can also form without life, so it does not prove there was life.” With more independence: “The SAM instrument aboard Curiosity analyzed a Martian rock sample in which organic carbon was detected. Because this carbon can also come from nonbiological processes, the measurement is not enough to establish that there was life.”
Separating Behavior from Interpretation
The April 2024 page How do bumble bees play? links to a 2022 study on ball-rolling by bumblebees. The study examines this behavior according to behavioral criteria for play; it does not allow direct observation of a subjective experience or prove that bees feel emotions identical to those of humans. The fact that the page belongs to the same platform does not mean it has two levels.
As a reading activity, the group can classify statements as observation (what behavior is described), interpretation (how it relates to criteria for play), or unsupported claim (for example, asserting that bumblebees feel the same as people). This is a teaching suggestion, not a replication of the experiment. It can be done with text or video without capturing or handling bees.
Read, Discuss, and Assess Separately
For vocabulary, students can be asked to explain organic and evidence as they are used in the text, and to refute the misconception “organic means proof of life.” For literal comprehension, they can identify the object analyzed and the method; for inferential comprehension, explain what conclusion the results support and what remains unproven.
In a discussion, each argument can identify what evidence supports a claim and which alternative explanations remain open. The goal is not to place any opinion on the same level as a result: discussion should consider relevant evidence and its limits. For writing, students can develop an claim–evidence–reasoning paragraph, propose a headline proportional to the results, and revise it by checking the source. These are teaching suggestions, not results from a teaching study or guarantees of learning.
Vocabulary comprehension and scientific reasoning are related, but they are not the same task. A qualitative rubric can separately assess whether a student understands terms in context, locates evidence, recognizes limitations, and justifies a conclusion. Descriptors such as “needs support,” “in progress,” and “justifies it” can guide feedback without turning it into a measure of intelligence. The same science question can be posed to the whole class with different supports.
Before assigning a resource, it is useful to check its topic, authorship, and dates; distinguish the dates of the study, news story, and adaptation; review methods, comparisons, units, figures, and uncertainties; and check references, corrections or retractions, reported interests or funding, language, supports, license, and student access. A historical resource can retain value if it is dated and not presented as new. Access conditions can also change, so it is prudent to verify the available account and plan an authorized alternative.
What we know and its limits
Reading levels and school categories are indicative and do not universally correspond to ages or grades. Platform access, features, and availability may change. The examples of Mars and bumblebees correspond to dated studies and adaptations; they are not new findings. The activities described are teaching proposals, not measured efficacy results.
Original sources15
The original sources for exploring this explanation and its limits.
-
Scientific Articles in Two Reading Levels
Science Journal for Kids and Teens
Collection with versions of varying reading complexity. -
Newsela Lite (Free Account)
Newsela Help Center
Terms of free access and its limitations, updated on September 4, 2026. -
Article Actions
Newsela Help Center
Reading levels, MAX version, and reading features. -
Newsela’s Content
Newsela Help Center
Difference between the complete catalog and the free selection. -
What can we learn from carbon on Mars?
Science Journal for Kids and Teens
Teacher resource sheet with adaptation, answers, academic article, and resources. -
What can we learn from carbon on Mars? — upper reading level
Science Journal for Kids and Teens; adaptación de Stern et al.
More complex adaptation with methods, figure, glossary, and questions. -
What can we learn from carbon on Mars? — lower reading level
Science Journal for Kids and Teens; adaptación de Stern et al.
Accessible version of the same study for instructional comparison. -
NASA’s Curiosity Takes Inventory of Key Life Ingredient on Mars
NASA — Goddard Space Flight Center
Institutional context for the 2022 carbon study. -
Terms and Conditions
Science Journal for Kids and Teens
Free access to teaching content. -
Content License Policy
Science Journal for Kids and Teens
Attribution and conditions for reusing the resource. -
Differentiation with Content
ReadWorks
StepReads and differentiated texts with reading support. -
Journal — Frontiers for Young Minds
Frontiers for Young Minds
Free scientific articles prepared by researchers with youth participation. -
How do bumble bees play?
Science Journal for Kids and Teens
Second example to distinguish observation from attribution of mental states. -
Do bumble bees play?
Galpayage Dona et al.; Animal Behaviour; Chittka Lab, Queen Mary University of London
· 10.1016/j.anbehav.2022.08.013
Original open-access study on criteria for play in bumble bees. -
Frequently Asked Questions
Science Journal for Kids and Teens
Adaptation process, school categories, and reference to the original.
Image credits
Editorial Team · original educational illustration · Original source · Recurso editorial propio · derechos reservados · Original vector design of three documents connected by arrows. A: adaptation; B: news article; C: study. The marks and cells do not encode values, results, or third-party data. JPEG for web viewing; private retrievable SVG.