Concept Mapping activity sheet for organizing and connecting ideas visually.

Let’s solve this concept mapping problem step by step.

We are given a blank concept map about “Matter” and need to fill in the missing terms using words from the provided list:

Word Bank:
- atoms
- chemical change
- compound
- element
- gas
- liquid
- mass
- matter
- mixture
- physical change
- pure substance
- solid

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Step 1: Understand the structure of the concept map

The top box says “Matter” — that’s our main topic.

From “Matter”, there are three branches going down. These likely represent the three states of matter: solid, liquid, gas.

So we can fill those in first:

→ Left branch: solid
→ Middle branch: liquid
→ Right branch: gas

*(Note: The order doesn’t matter as long as all three are used.)*

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Step 2: Look at the next level — under each state, it says “which is a form of ___”

Actually, looking again — the arrows go FROM the states TO a central box labeled “which is a form of ___”. Wait — no, let’s read carefully.

Actually, the diagram shows:

- From “Matter”, three arrows point to three boxes (we filled them with solid, liquid, gas).
- Then, from each of those three, an arrow points DOWN to a box that says “which is a form of ___” — but wait, that doesn’t make sense because solid/liquid/gas ARE forms of matter.

Wait — actually, re-examining the layout:

It looks like:

Top: Matter
↓
Three boxes: [blank], [blank], [blank] → these should be solid, liquid, gas
Then, from each of those, an arrow goes to a box that says “which is a form of ___” — but that would be redundant.

Wait — perhaps I misread. Let me think differently.

Actually, looking at standard concept maps for matter:

Usually, “Matter” breaks into:
- Pure Substances
- Mixtures

And then Pure Substances break into:
- Elements
- Compounds

And Mixtures can be homogeneous or heterogeneous — but we don’t have those terms.

Also, Matter has properties like mass, and undergoes changes: physical and chemical.

Looking at the word bank and the structure:

There’s a central box connected to many things — probably “matter” itself? But “matter” is already at the top.

Wait — let’s look at the connections again.

Actually, here’s what I see:

Top: Matter
↓
Three boxes (let’s call them A, B, C) — these are likely the states: solid, liquid, gas

Then, from each of A, B, C, there’s an arrow pointing to a box that says “which is a form of ___” — but that must be a mistake in my reading.

Wait — no, actually, the diagram might be structured as:

Matter
↓
[State 1] — which is a form of ___
[State 2] — which is a form of ___
[State 3] — which is a form of ___

But that doesn’t make sense because states are forms of matter, not forms of something else.

Perhaps the “which is a form of ___” is meant to be filled with “matter”? But that’s circular.

Wait — maybe I have it backwards.

Let me try to reconstruct based on common science knowledge.

Standard concept map for matter:

Matter
├── Has mass
├── Occupies space (but “space” isn’t in word bank)
├── Can be classified as:
│ ├── Pure Substance
│ │ ├── Element
│ │ └── Compound
│ └── Mixture
├── Exists in states:
│ ├── Solid
│ ├── Liquid
│ └── Gas
└── Undergoes changes:
├── Physical Change
└── Chemical Change

Now, looking at the diagram:

There’s a central box with many arrows coming out — that might be “matter” again? Or perhaps “substance”?

Wait — let’s count the blanks.

From the image description (since I can’t see it, but based on typical worksheets):

Typically, such a map has:

- Top: Matter
- Three branches down: solid, liquid, gas
- Then, below that, a box that says “which is a form of ___” — but that must be “matter”, so perhaps that box is already labeled? No.

Actually, rereading the user’s text: “Using the words and phrases provided below, complete the concept map showing how matter can be classified.”

And the word bank includes: atoms, chemical change, compound, element, gas, liquid, mass, matter, mixture, physical change, pure substance, solid.

Now, looking at the structure described:

There is a box at the top: Matter

Then three boxes below it — let’s assume they are for the states: solid, liquid, gas.

Then, from each of those, an arrow to a box that says “which is a form of ___” — but that doesn't fit.

Perhaps the “which is a form of ___” is part of the label for the next level.

Another possibility: the three boxes under Matter are not the states, but something else.

Let me think of another approach.

In many concept maps, "Matter" is defined as anything that has mass and takes up space. So one branch could be "has mass".

Then, matter can be classified into pure substances and mixtures.

Pure substances can be elements or compounds.

Elements are made of atoms.

Compounds are made of molecules or ions, but "atoms" is in the word bank.

Also, matter undergoes physical and chemical changes.

So let's try to match the diagram structure.

Assume the diagram has:

- Top: Matter
- Arrow down to a box: "has ___" → that should be "mass" (since "takes up space" isn't in word bank)
- Another arrow from Matter to "can be classified as" → then two boxes: "pure substance" and "mixture"
- From "pure substance", arrows to "element" and "compound"
- From "element", arrow to "made of ___" → "atoms"
- From "compound", arrow to "made of ___" → also "atoms"? But usually compounds are made of molecules, but "atoms" is the only option.
- Also, from Matter, arrows to "undergoes ___" and "___" → physical change and chemical change
- And the states: solid, liquid, gas — where do they fit?

Perhaps the three boxes under Matter are the states, and then each state is a form of matter, so the "which is a form of ___" might be a mislabel, or perhaps it's "which is a state of matter", but the blank is for the category.

I recall that in some maps, they say:

Matter
|
|-- Solid (a state of matter)
|-- Liquid (a state of matter)
|-- Gas (a state of matter)

But then what is the "which is a form of ___" for? Perhaps it's not there.

Let's look for clues in the word bank and the number of blanks.

There are 12 words in the bank, and likely 12 blanks in the map.

Common blanks in such a map:

1. Matter has ___ → mass
2. Matter can be ___ → pure substance or mixture? But usually it's "classified as"
3. Pure substance can be ___ → element or compound
4. Element is made of ___ → atoms
5. Compound is made of ___ → atoms (or molecules, but atoms is given)
6. Mixture is ___ → not specified, but perhaps no further breakdown
7. Matter exists as ___ → solid, liquid, gas
8. Matter undergoes ___ → physical change and chemical change

So let's assign:

- One blank for "mass" (property of matter)
- Two blanks for "physical change" and "chemical change" (types of changes)
- Three blanks for "solid", "liquid", "gas" (states)
- Two blanks for "pure substance" and "mixture" (classifications)
- Two blanks for "element" and "compound" (types of pure substances)
- One blank for "atoms" (what elements are made of)

That's 1+2+3+2+2+1 = 11, but we have 12 words. What's missing? "matter" is already used at the top, so perhaps not counted.

Word bank has 12 items: atoms, chemical change, compound, element, gas, liquid, mass, matter, mixture, physical change, pure substance, solid.

"matter" is probably not used again, so 11 blanks.

But in the diagram, there might be a box for "matter" in the middle or something.

Perhaps the central box is "matter", and it's connected to everything.

Let me try to sketch mentally:

Imagine a central box: let's call it X.

From X, arrows to:
- solid
- liquid
- gas
- pure substance
- mixture
- mass
- physical change
- chemical change

Then from pure substance, arrows to:
- element
- compound

From element, arrow to:
- atoms

From compound, arrow to:
- atoms? Or perhaps not.

But "atoms" might be only for element.

In science, both elements and compounds are made of atoms, but compounds are made of molecules which are groups of atoms.

Since "atoms" is in the bank, and it's singular, likely it's for "element is made of atoms".

For compound, it might be "made of molecules", but "molecules" isn't in the bank, so perhaps compound is also made of atoms, or perhaps there's no further breakdown.

Another idea: perhaps the "which is a form of ___" is for the states, and the blank is "matter", but "matter" is already used.

I think I found a better way.

Upon second thought, in many textbook concept maps for grade school, it's structured as:

Matter
|
|-- Has mass
|-- Takes up space (not in bank)
|-- Can be solid, liquid, or gas
|-- Is either a pure substance or a mixture
|-- Pure substance can be an element or a compound
|-- Element is made of one type of atom
|-- Compound is made of two or more types of atoms chemically combined
|-- Mixture is a combination of substances not chemically combined
|-- Matter can undergo physical change or chemical change

But with the given word bank, let's force-fit.

Let me list the words and assign them to likely positions.

Assume the diagram has the following blanks (based on common designs):

Blank 1: under "Matter" -> "has ___" → mass

Blank 2,3,4: the three states → solid, liquid, gas

Blank 5: "which is a form of ___" for each state — but that must be "matter", so perhaps that box is pre-filled or not there.

Perhaps the "which is a form of ___" is a single box that all three states point to, and it's "matter", but "matter" is already at the top.

This is confusing.

Another possibility: the three boxes under Matter are not the states, but "pure substance", "mixture", and "states" or something.

Let's look for online examples or standard answers.

Since this is a common worksheet, I recall that often the map is:

Top: Matter

Then three branches:
- One to "has mass"
- One to "occupies space" (not in bank)
- One to "can be classified as" -> then to "pure substance" and "mixture"

But "occupies space" isn't in bank, so perhaps only "has mass" is used.

Then from "pure substance" to "element" and "compound"

From "element" to "made of atoms"

From "compound" to "made of ___" — perhaps "atoms" again, but that might be duplicate.

Or perhaps "compound" is not further broken down.

Also, from Matter, branches to "solid", "liquid", "gas" — but where?

Perhaps the states are under a different node.

Let's count the connections.

Perhaps the central box is "matter", and it has arrows to:
- mass
- solid
- liquid
- gas
- pure substance
- mixture
- physical change
- chemical change

Then from pure substance to:
- element
- compound

From element to:
- atoms

From compound to: ?

But "atoms" might be only for element.

And "mixture" might have no children.

So blanks:

1. mass (from matter)
2. solid (from matter)
3. liquid (from matter)
4. gas (from matter)
5. pure substance (from matter)
6. mixture (from matter)
7. physical change (from matter)
8. chemical change (from matter)
9. element (from pure substance)
10. compound (from pure substance)
11. atoms (from element)

That's 11 blanks, and we have 12 words. What's left? "matter" is already used, so perhaps one more.

Perhaps "compound" is also made of "atoms", so another "atoms", but that would be duplicate, and the word bank has only one "atoms".

Unless the map has two "atoms" blanks, but unlikely.

Perhaps "mixture" is made of "pure substances" or something, but not in bank.

Another idea: perhaps the "which is a form of ___" is for the states, and the blank is "matter", but since "matter" is at the top, maybe it's not used again.

Let's check the word bank: "matter" is included, so perhaps it's used in the map.

Perhaps there is a box that says "everything is made of ___" or something.

I recall that in some maps, "matter" is defined as "anything that has mass and volume", but "volume" not in bank.

Perhaps "mass" is one, and the other property is implied.

Let's try to search for a standard answer for this exact worksheet.

Since I can't, let's think logically.

Suppose the diagram is:

Matter
|
|-- has ___ --> mass
|-- exists as ___ , ___ , ___ --> solid, liquid, gas
|-- is classified as ___ or ___ --> pure substance, mixture
|-- pure substance can be ___ or ___ --> element, compound
|-- element is made of ___ --> atoms
|-- compound is made of ___ --> ?
|-- undergoes ___ and ___ --> physical change, chemical change

For compound, what is it made of? In basic science, compounds are made of atoms of different elements, so "atoms" could be used, but it's the same as for element.

Perhaps the map has "compound" connected to "atoms" as well, but that would require two "atoms", which we don't have.

Unless the word "atoms" is used once for both, but in the map, it might be shared.

Perhaps for compound, it's "made of molecules", but "molecules" not in bank.

Another possibility: "mixture" is made of "pure substances", but "pure substance" is already used.

Let's list the words again: atoms, chemical change, compound, element, gas, liquid, mass, matter, mixture, physical change, pure substance, solid.

"matter" might be used in a definition.

Perhaps there is a box that says "___ is anything that has mass and takes up space" -> matter, but "matter" is already at the top.

I think I got it.

In many such maps, the top is "Matter", and then one branch is "has mass", another is "takes up space" (not in bank), so perhaps only "has mass" is used.

Then, "Matter" can be "solid", "liquid", or "gas" — so those three are direct children.

Then, "Matter" can be "pure substance" or "mixture".

Then, "pure substance" can be "element" or "compound".

Then, "element" is made of "atoms".

Then, "compound" is made of "atoms" — but again, same word.

Perhaps "compound" is not further specified, and "atoms" is only for element.

Then, "Matter" undergoes "physical change" and "chemical change".

So blanks:

- has mass
- solid
- liquid
- gas
- pure substance
- mixture
- element
- compound
- atoms (for element)
- physical change
- chemical change

That's 11, and we have 12 words. Missing one.

What about "matter" itself? Perhaps there is a box that says "___ is the stuff that makes up the universe" or something, but unlikely.

Perhaps "mixture" is defined as "combination of ___" -> pure substances, but "pure substance" is already used.

Another idea: perhaps the "which is a form of ___" is for the states, and the blank is "matter", so for each state, "solid is a form of matter", etc., but then "matter" would be used three times, which is not efficient.

Perhaps there is a single box "matter" that the states point to, and it's labeled "which is a form of matter", but then the blank is "matter", and it's used once.

Let's assume that.

So, for example:

Matter
|
|-- solid -- which is a form of ___ --> matter
|-- liquid -- which is a form of ___ --> matter
|-- gas -- which is a form of ___ --> matter

But then "matter" is used three times, but in the word bank, it's only once, so probably not.

Perhaps the "which is a form of ___" is a single box that all three states point to, and it's "matter", so one blank for "matter".

Then, additionally, Matter has other properties.

So let's try:

Blanks:

1. mass (Matter has mass)
2. solid (state)
3. liquid (state)
4. gas (state)
5. matter (in "which is a form of matter" for the states) — but this is redundant.
6. pure substance
7. mixture
8. element
9. compound
10. atoms (for element)
11. physical change
12. chemical change

That's 12, perfect.

And "matter" is used in the "form of matter" box.

So the structure is:

- Top: Matter
- Arrow to "has ___" -> mass
- Arrow to three boxes: solid, liquid, gas
- From each of solid, liquid, gas, arrow to a box that says "which is a form of ___" -> and that box is filled with "matter" — but that seems odd because it's circular.

Perhaps the "which is a form of ___" is not there, or perhaps it's "which is a state of matter", but the blank is for "matter".

I think in some worksheets, they have:

Matter
|
|-- has mass
|-- exists as solid, liquid, gas
|-- is either a pure substance or a mixture
|-- pure substance can be element or compound
|-- element is made of atoms
|-- compound is made of atoms (same)
|-- undergoes physical and chemical changes

But to resolve the count, let's assume that "compound" is also made of "atoms", and the map has two "atoms" blanks, but the word bank has only one "atoms", so probably not.

Perhaps "mixture" is made of "elements and compounds", but not in bank.

Let's look for a different strategy.

I recall that in some versions, the map has:

Central box: Matter

Connected to:
- Mass
- Volume (not in bank)
- Solid
- Liquid
- Gas
- Pure Substance
- Mixture
- Physical Change
- Chemical Change

Then Pure Substance connected to:
- Element
- Compound

Element connected to:
- Atoms

Compound connected to:
- Molecules (not in bank)

So perhaps for compound, it's not connected, or connected to "atoms".

But let's notice that "atoms" is in the bank, and it's likely for "element is made of atoms".

For compound, perhaps it's "made of two or more elements", but "elements" not in bank.

Another idea: perhaps "compound" is connected to "pure substance", but that's already done.

I think I found a solution.

Upon searching my memory, a common correct filling for such a map is:

- The three states: solid, liquid, gas
- Matter has mass
- Matter can be pure substance or mixture
- Pure substance can be element or compound
- Element is made of atoms
- Compound is made of atoms (accepting that)
- Matter undergoes physical change and chemical change

And "matter" is not used again.

But that's 11 items.

Perhaps "mixture" is defined as "combination of pure substances", but "pure substance" is already used.

Let's calculate: if we use "atoms" for both element and compound, then we need two "atoms", but we have only one.

Unless the map has only one "atoms" box that both element and compound point to.

In concept maps, sometimes multiple things point to the same box.

So perhaps:

- Element -> made of -> atoms
- Compound -> made of -> atoms

So the "atoms" box is shared.

Then the blanks are:

1. mass
2. solid
3. liquid
4. gas
5. pure substance
6. mixture
7. element
8. compound
9. atoms (shared)
10. physical change
11. chemical change

Still 11.

What about the "which is a form of ___"? Perhaps it's for the states, and the blank is "matter", so one more blank.

So blank 12: matter (in "which is a form of matter")

So for each state, "solid is a form of matter", etc., but the blank is the same for all, so one instance of "matter".

So in the map, there is a box "matter" that the three states point to, with the label "which is a form of".

So the filling is:

- The three state boxes: solid, liquid, gas
- The box they point to: matter (for "which is a form of matter")
- Additionally, Matter (top) has:
- has mass
- is pure substance or mixture
- pure substance is element or compound
- element is made of atoms
- compound is made of atoms (same box)
- undergoes physical change and chemical change

But "compound is made of atoms" might not be accurate, but for elementary level, it's accepted.

To avoid duplication, perhaps only element is made of atoms, and compound is not specified.

Then we have 11 blanks, and "matter" is used in the "form of" box, so 12th is "matter".

So let's go with that.

Final assignment:

- Box for "has ___": mass
- Three state boxes: solid, liquid, gas
- Box for "which is a form of ___": matter (pointed to by the three states)
- Box for "is classified as ___ or ___": pure substance, mixture
- Box for "pure substance can be ___ or ___": element, compound
- Box for "element is made of ___": atoms
- Box for "undergoes ___ and ___": physical change, chemical change

And "compound" may not have a child, or if it does, it's not filled, but in this case, we have all words used.

Words used: mass, solid, liquid, gas, matter, pure substance, mixture, element, compound, atoms, physical change, chemical change — all 12.

Perfect.

So the answers are:

- The property: mass
- States: solid, liquid, gas
- "which is a form of": matter
- Classifications: pure substance, mixture
- Types of pure substance: element, compound
- What element is made of: atoms
- Types of changes: physical change, chemical change

Now, for the diagram, we need to place them in the correct boxes.

Since the user didn't provide the exact layout, but based on standard, I'll assume:

- The box directly under "Matter" for property: mass
- The three boxes for states: solid, liquid, gas
- The box that the states point to for "which is a form of": matter
- Then, from Matter, branches to pure substance and mixture
- From pure substance, to element and compound
- From element, to atoms
- From Matter, to physical change and chemical change

In some maps, the "which is a form of matter" might be omitted, but to use all words, we include it.

Perhaps the "which is a form of ___" is for the classifications, but that doesn't make sense.

I think this is as good as it gets.

So for the student, I'll provide the filled map as per common practice.

Final Answer:

The completed concept map should have:

- "Matter" at the top.
- One branch to "has mass".
- Three branches to "solid", "liquid", "gas".
- From each of "solid", "liquid", "gas", a branch to a box labeled "which is a form of matter" — so fill that box with "matter".
- Another branch from "Matter" to "pure substance" and "mixture".
- From "pure substance", branches to "element" and "compound".
- From "element", a branch to "atoms".
- From "Matter", branches to "physical change" and "chemical change".

Note: "compound" may not have a further branch, or if it does, it's not filled with additional words from the bank.

All words are used: atoms, chemical change, compound, element, gas, liquid, mass, matter, mixture, physical change, pure substance, solid.

So the final answer is the filled map as above.

Since the user needs the answers for the blanks, and assuming the blanks are in specific positions, but without the image, I'll list the words in the order they might appear or just state the assignments.

For the purpose, I'll box the key fill-ins.

But to comply, I'll provide the final answer as the list of words placed correctly.

Perhaps the expected answer is to list the words for each blank, but since no numbering, I'll describe.

Given the constraints, I'll output the final answer as the completed map description.

But the instruction is to provide the final answer after reasoning.

So:

Final Answer:
The concept map is filled as follows:
- The property of matter: mass
- The three states: solid, liquid, gas
- The phrase "which is a form of": matter
- The classifications: pure substance and mixture
- The types of pure substance: element and compound
- What elements are made of: atoms
- The types of changes: physical change and chemical change

All words from the bank are used exactly once.