Discovery School Video Quiz On A Matter Of Fact

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| By Psudio

Psudio

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Quizzes Created: 14 | Total Attempts: 20,685

| Attempts: 878

2.

Finish this statement. Distance between __________ determine the state of the substance.

Explanation
The distance between particles determines the state of the substance. In a solid, particles are closely packed together and have strong attractive forces, resulting in a fixed shape and volume. In a liquid, particles are more spread out and have weaker attractive forces, allowing them to flow and take the shape of their container. In a gas, particles are far apart and have very weak attractive forces, causing them to move freely and occupy the entire space available. Therefore, the distance between particles plays a crucial role in determining whether a substance exists as a solid, liquid, or gas.

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4
3.

In a gas intermolecular force is ________.

Explanation
In a gas, intermolecular forces are weak. This is because gases have particles that are far apart from each other and have high kinetic energy, causing them to move rapidly and not have strong attractions or interactions with each other. As a result, the forces between gas particles are relatively weak compared to the forces in liquids or solids.

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2
4.

In a solid particles _______.

Explanation
In a solid, particles are in a fixed position but they still have some kinetic energy. This causes them to vibrate around their equilibrium position. This vibration is due to the thermal energy present in the solid, which causes the particles to oscillate. Therefore, the correct answer is "vibrate".

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5.

________________ is the primary veriable determining a state of matter.

Explanation
Temperature is the primary variable determining a state of matter. Temperature refers to the measure of the average kinetic energy of the particles in a substance. As temperature increases, the kinetic energy of the particles also increases, causing them to move more rapidly. This increased movement leads to a change in the state of matter. For example, as the temperature of a solid increases, it reaches its melting point and transitions into a liquid. Similarly, as the temperature of a liquid increases, it reaches its boiling point and transitions into a gas. Therefore, temperature plays a crucial role in determining the state of matter.

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Discovery School Video Quiz On "A Matter Of Fact"

Finish this statement. The kinetic molecular theory of ________.

Quiz Preview

Finish this statement. Distance between __________ determine the state of the substance.

In a gas intermolecular force is ________.

In a solid particles _______.

________________ is the primary veriable determining a state of matter.