Year 4 · Autumn 1.2 · Step 10

Earth & Space

Evaluate: the evaporation experiment

Drawing a conclusion from the data, comparing results, and suggesting improvements.

Arrival Starter I do We do Independent Exit ticket

🌱 Seedling · Working towards 🌿 Sapling · Expected 🌳 Oak · Greater depth

⏱ Whole lesson ≈ 44 min · pick a tier in the bar, or leave on "All"

Arrival 4 min

Recap of last lesson: the evaporation investigation. Whole-block review too.

Recap: our results

🌱 Seedling

Working towards

Warmer places evaporate water ____.

🌿 Sapling

Expected

Which place dried fastest?
What did we conclude?

🌳 Oak

Greater depth

How could we make our evaporation test even more reliable?

Bridge into todayToday we work like real scientists: we evaluate — draw a conclusion from our data, compare with others, and suggest improvements.

Starter 5 min

Conclusion, comparison, improvement, further questions.

Evaluating our experiment

A conclusion answers the question using our data. We compare with other groups, spot any odd results, and suggest improvements for next time. Our finding: higher temperature → faster evaporation.

🌱 Seedling

Working towards

Higher temperature means ____ evaporation.

🌿 Sapling

Expected

Write a conclusion, and one way to improve the test.

🌳 Oak

Greater depth

Why compare your results with other groups?

I do · 1 6 min

Teacher models drawing a conclusion from data. Watch to recap evaporation.

From data to conclusion

▶ Can't see it? Watch "Evaporation and temperature — reviewing what we found" on YouTube

Swap the clip: change the ID after /embed/ (now B77sebHmfdk).

Say thisOur data shows the warmest dish lost the most water, so our conclusion is: the higher the temperature, the faster water evaporates. If a result looks odd, we check it and think why — maybe a dish was moved or measured differently.

✅

Conclusionanswer + data

🔎

Compareother groups

🔧

Improvenext time

We do · 1 6 min

Write a class conclusion and spot improvements together.

Conclude and improve

"We found that ____. This matches our prediction because ____. Next time we could ____."

Build it together

Conclusion uses the data. Improvements: measure more carefully · repeat the test · use identical dishes.

I do · 2 4 min

Play the animation. See the pattern in the data.

The pattern in our data

The bars rise from cold to hot — the warmer the place, the more water evaporated.

Model the ideaA chart makes the pattern clear: as temperature goes up, more water evaporates. That pattern is our conclusion. A good scientist also asks what to investigate next.

Watch for: a conclusion that ignores the data, or thinking temperature doesn't matter despite the results.

We do · 2 5 min

Conclusion, improvement or not relevant? Sort together.

Is it useful?

Decide together

"Higher temperature = faster evaporation." "Use the same dishes for all." "My favourite colour is blue."

Is each a conclusion, an improvement, or not relevant?

Independent 10 min

On your own. Sort each statement, then write your evaluation.

Evaluation sorter

✅ A good conclusion

🔧 A way to improve

🚫 Not relevant

Tap a card to sort it…

🌱 Seedling

Working towards

Sort the cards, then finish: Higher temperature means ____ evaporation.

🌿 Sapling

Expected

Sort them, then write a conclusion and one improvement.

🌳 Oak

Greater depth

Sort them, then write a conclusion, an improvement, and a question for next time.

Exit ticket 4 min

Answer at your tier, then hand it in. End of the block.

Show what you know

🌱 Seedling

Working towards

What did we conclude?
Name one way to improve the test.

🌿 Sapling

Expected

Write a conclusion using our data.
Why compare with other groups?

🌳 Oak

Greater depth

Sum up what states of matter and changes of state you've learned this term.