Parts of a Volcano - SKOOLGO - Free Printable

Let’s go step by step to match each number on the volcano diagram with the correct part name.

We’ll look at each numbered spot and think about what it represents in a real volcano:

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Number 1 – This is deep underground, below everything else. It’s where molten rock starts before rising up. That’s Magma.

Number 2 – This is the main vertical pipe going straight up from the magma chamber to the top. That’s called the Conduit (pipe).

Number 3 – This is a smaller pipe branching off the main conduit. So that’s a Branch pipe.

Number 4 – These are layers built up over time from past eruptions — alternating lava and ash. But since this label points to a thick layer inside the mountain, and not the surface flow, it’s likely Layers of lava (or possibly layers of ash — we’ll check context). Wait — looking again, #4 is pointing to a broad internal layer, which matches “Layers of lava” as one of the options. Let’s hold that thought.

Actually, let’s be more precise. In standard volcano diagrams:

- The outer slopes often show layers of lava and layers of ash alternating.
- But here, #4 is pointing to a large internal section — probably Layers of lava, since it’s solidified inside.

Wait — let’s compare all labels carefully.

Looking at the list:

Available terms:
- Layers of lava
- Conduit (pipe)
- Lava flow
- Bedrock
- Magma
- Branch pipe
- Crater
- Ash cloud
- Layers of Ash
- Parasitic cone
- Sill
- Laccolith

Now let’s assign based on position:

→ #8 is the big puff above the volcano — that’s clearly the Ash cloud.

→ #7 is the opening at the very top — that’s the Crater.

→ #6 is material flowing down the side — that’s Lava flow.

→ #5 is the flat hard layer at the bottom — that’s Bedrock.

→ #12 is a horizontal intrusion under the bedrock? Wait — no, #12 is a lens-shaped body underground, not connected to the main pipe — that’s a Laccolith.

→ #10 is a small bump on the side of the volcano — that’s a Parasitic cone.

→ #9 is another branch pipe? Or maybe a sill? Wait — #9 is a horizontal crack or sheet inside the volcano — that’s a Sill.

→ #11 is also a horizontal feature — but wait, #11 is near the base, maybe another sill? Actually, looking again — #11 might be part of the same system as #9? No — let’s reassign.

Better approach: use standard volcano anatomy.

Standard parts:

- Magma chamber → #1
- Main vent/conduit → #2
- Crater → #7
- Ash cloud → #8
- Lava flow → #6 (flowing down slope)
- Parasitic cone → #10 (small cone on flank)
- Branch pipe → #3 (side vent)
- Sill → horizontal intrusion → #9 or #11?
- Laccolith → dome-shaped intrusion → #12
- Bedrock → #5 (base layer)
- Layers of lava → #4 (internal layered structure)
- Layers of Ash → ? Maybe # something else?

Wait — there’s also “Layers of Ash” as an option. Where would that be?

In many diagrams, the outer layers alternate between lava and ash. So perhaps #4 is “Layers of lava”, and another number is “Layers of Ash”.

But looking at the diagram, #4 is pointing to a large internal block — likely “Layers of lava”.

What about #11? It’s a thin horizontal line near the base — could be a Sill.

And #9 is also horizontal — maybe another sill? But we only have one “Sill” in the list.

Wait — let’s count the numbers: 1 through 12 — 12 items.

List has 12 terms — perfect match.

So let’s map them definitively:

1. Magma — deepest source → #1
2. Conduit (pipe) — main upward channel → #2
3. Branch pipe — side channel → #3
4. Layers of lava — internal layered rock → #4
5. Bedrock — foundation layer → #5
6. Lava flow — flowing down outside → #6
7. Crater — top opening → #7
8. Ash cloud — smoke/ash above → #8
9. Sill — horizontal intrusion → #9 (it’s a flat layer inside)
10. Parasitic cone — small cone on side → #10
11. Layers of Ash — wait, but #11 is also a horizontal feature? Hmm.

Wait — maybe I mixed up #9 and #11.

Looking again: #9 is higher up, inside the volcano, horizontal — that’s likely a Sill.

#11 is lower, also horizontal — but perhaps that’s Layers of Ash? But layers of ash should be stratified, not just one line.

Alternatively, maybe #11 is part of the conduit system? No.

Another idea: sometimes “Layers of Ash” refers to the outer deposits. But in this diagram, the outer surface isn’t labeled except for #6 (lava flow).

Perhaps #4 is “Layers of Ash”? But that doesn’t fit — #4 looks like solid rock layers.

Let me try a different strategy — use elimination.

We know:

- #1 = Magma
- #2 = Conduit
- #3 = Branch pipe
- #5 = Bedrock
- #6 = Lava flow
- #7 = Crater
- #8 = Ash cloud
- #10 = Parasitic cone
- #12 = Laccolith (dome-shaped underground)

That leaves: #4, #9, #11

Remaining terms: Layers of lava, Layers of Ash, Sill

Now, #9 and #11 are both horizontal features inside the volcano — those are intrusions.

A Sill is a horizontal sheet of igneous rock — so either #9 or #11.

Typically, sills are shown as flat layers cutting across strata.

In this diagram, #9 is higher and wider — likely the main sill.

#11 is thinner and lower — maybe another sill? But we only have one “Sill” term.

Wait — perhaps #11 is “Layers of Ash”? But that doesn’t make sense geologically — layers of ash are depositional, not intrusive.

Unless... in some diagrams, they label the alternating layers as “layers of ash” and “layers of lava”.

Looking at the left side of the volcano, you can see multiple layers — #4 is pointing to one of them.

Perhaps #4 is “Layers of lava”, and there’s another number for “Layers of Ash” — but which?

Maybe #11 is meant to be “Layers of Ash” — even though it’s drawn as a single line.

Alternatively, perhaps #9 is “Sill”, #11 is “Layers of Ash”, and #4 is “Layers of lava”.

That seems plausible.

Let’s confirm with common textbook diagrams.

Upon recall:

- In cross-sections, the internal horizontal sheets are sills.
- The layered exterior is often labeled as alternating lava and ash layers.
- Here, #4 is pointing to a thick internal layer — likely “Layers of lava”.
- #11 is a thin line near the base — might represent a layer of ash deposit.
- #9 is a clear horizontal intrusion — definitely a Sill.

Yes, that works.

So final assignment:

1. Magma
2. Conduit (pipe)
3. Branch pipe
4. Layers of lava
5. Bedrock
6. Lava flow
7. Crater
8. Ash cloud
9. Sill
10. Parasitic cone
11. Layers of Ash
12. Laccolith

Double-checking:

- #12 is a mushroom-shaped underground body — yes, laccolith.
- #10 is a small cone on the flank — parasitic cone.
- #6 is flowing down — lava flow.
- #8 is the cloud — ash cloud.
- #7 is the hole at top — crater.
- #5 is the bottom layer — bedrock.
- #3 is a side pipe — branch pipe.
- #2 is main pipe — conduit.
- #1 is magma chamber — magma.
- #4 is internal layered rock — layers of lava.
- #9 is horizontal sheet — sill.
- #11 is another horizontal feature — must be layers of ash (even if simplified).

Perfect — all 12 matched.

Final Answer:
1. Magma
2. Conduit (pipe)
3. Branch pipe
4. Layers of lava
5. Bedrock
6. Lava flow
7. Crater
8. Ash cloud
9. Sill
10. Parasitic cone
11. Layers of Ash
12. Laccolith