Five minutes together
Look. Wonder. Talk.
Our discovery: Connect each pictured rock example to a different formation process.
Remember: Choose one comfortable way to notice or describe a detail. What do you already wonder about this picture?
Revisit that discoveryStart by describing the pictured textures, then introduce the three names: igneous, sedimentary and metamorphic. Connect each to its example and formation story. Read that granite forms slowly underground, sandstone can form from sand, and heat can change rock into a different rock without melting it. Keep the focus on comparing processes, not memorizing labels.
Which pictured rock looks sandy? Which looks speckled?
Start here
Compare the sandy and speckled examples.
Explore further
Explain why looking at color alone would not identify every rock.
Three questions to share
1Which pictured rock looks sandy?
Answer cue: Sandstone.
2Which type begins as melted rock that cools and hardens?
Answer cue: Igneous rock; granite is the example.
3Does the rock melt when it changes into metamorphic rock?
Answer cue: No. It changes without melting.
If your child is unsure: Let’s use one clue together. Compare the sandy and speckled examples.
Something to try together
Match a rock to its story
You’ll need: The poster and an adult; optional paper and drawing materials. Describing or pointing is enough.
- Choose granite, sandstone and marble from the poster.
- An adult reads the three formation explanations; match each to its named example.
- Draw or dictate one formation story, keeping observed appearance separate from the explanation.
What this can show
Granite is the igneous example, sandstone sedimentary and marble metamorphic. These pictures are not a complete identification key.
Return to it: At the Inside Earth poster, find the rocky outside. What can the two posters tell us together?
Get the guide and discovery recordFor teachers · About 20 minutes
A small lesson with room to explore.
Learning aim: Connect each pictured rock example to a different formation process.
Prepare: Read the poster, answer cues and misconception note. Prepare only the materials named in the activity; keep a picture-only or described option available.
- 3 min
Reconnect and wonder
What can a rock’s formation story tell us? Invite an initial idea; record it without marking it right or wrong.
- 4 min
Look together
Compare the sandy and speckled examples. Introduce igneous using the poster.
- 8 min
Investigate or represent
Use “Match a rock to its story.” Let pairs take turns noticing and recording, with adult help and the activity’s stated boundaries.
- 5 min
Explain and return
Ask the core check: What can a rock’s formation story tell us? Accept pointing, words, signing or a drawing. If the learner is ready, offer this optional extension: Explain why looking at color alone would not identify every rock.
Check the idea together
What can a rock’s formation story tell us?
What to listen for
Igneous rock forms from cooling melted rock; the sedimentary example forms from particles pressed and stuck together; metamorphic rock changes without melting. Granite is the igneous example, sandstone sedimentary and marble metamorphic. These pictures are not a complete identification key.
Accept pointing, speech, signing, a drawing or adult dictation. Describe the illustration and use labels/position as well as color. Offer one contrast first, and use the extension when the learner is ready.
