# 6th Grade Heating And Cooling Matter

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Mrskrist
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When matter is exposed to extremely high or low temperatures it undergoes a change. During our physics we covered the theory part of what heating and cooling does to matter. Before we get do see this practically take up the quiz and see what we should be expecting. Do it in groups.

• 1.

### Expand means to:

• A.

Take up less space

• B.

Take up more space

• C.

Explode

B. Take up more space
Explanation
The correct answer is "take up more space". When something expands, it means that it increases in size or volume, occupying a larger amount of space than before. This can happen due to various factors such as heat, pressure, or growth.

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• 2.

### To Contract means to:

• A.

Take up less space

• B.

Take up more space

• C.

Disappear

A. Take up less space
Explanation
The correct answer is "take up less space". When something contracts, it means it becomes smaller or occupies less space. This can happen due to various reasons such as cooling, compression, or contraction of materials.

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• 3.

### Warming up a particle will make it:

• A.

Explode

• B.

Expand

• C.

Contract

B. Expand
Explanation
When a particle is warmed up, its temperature increases. As the temperature rises, the particles within the substance gain energy and move faster. This increased kinetic energy causes the particles to spread out and occupy more space, resulting in expansion. Therefore, warming up a particle will make it expand.

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• 4.

### Cooling a particle will make it:

• A.

Blow up

• B.

Contract

• C.

Expand

B. Contract
Explanation
Cooling a particle will cause its molecules to lose energy and slow down, resulting in a decrease in its volume. This decrease in volume is known as contraction. Therefore, cooling a particle will make it contract.

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• 5.

### Does all matter expand and contract the same amount?

• A.

Yes

• B.

No

B. No
Explanation
Not all matter expands and contracts the same amount. Expansion and contraction of matter depend on various factors such as the type of material, temperature changes, and the presence of external forces. Different materials have different coefficients of thermal expansion, which determine how much they expand or contract in response to temperature changes. Therefore, it is incorrect to assume that all matter expands and contracts the same amount.

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• 6.

### Which kind of matter expands the most when the temperature rises?

• A.

Liquid

• B.

Gas

• C.

Solid

B. Gas
Explanation
Gas expands the most when the temperature rises because the particles in a gas have more kinetic energy at higher temperatures. This increased energy causes the particles to move faster and spread out, leading to an expansion in volume. In contrast, the particles in a liquid or solid have less freedom of movement and are held closer together by intermolecular forces, resulting in less expansion when heated.

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