# Science Quiz (Heat Wave)

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| By Falmendarez
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Falmendarez
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Quizzes Created: 3 | Total Attempts: 2,858
Questions: 9 | Attempts: 257

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• 1.

### is a measure of how hot or cold something is

• A.

Evaporate

• B.

Insulator

• C.

Melt

• D.

Temperature

D. Temperature
Explanation
Temperature is a measure of how hot or cold something is. It is a quantitative property that determines the level of thermal energy present in an object or a system. Temperature is commonly measured using various scales such as Celsius, Fahrenheit, or Kelvin. It is an important concept in physics and plays a crucial role in understanding the behavior of matter and energy transfer.

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• 2.

### is a force that makes it hard for two objects to move past each other when objects touch

• A.

Friction

• B.

• C.

Convection

• D.

Conduction

A. Friction
Explanation
Friction is a force that opposes the motion of objects when they come into contact with each other. It occurs due to the roughness of surfaces and the interlocking of microscopic irregularities. When two objects touch, the frictional force between them makes it difficult for them to move past each other. This force can cause objects to slow down, stop, or change direction. Friction is responsible for many everyday phenomena, such as the grip between shoes and the ground, the stopping of a moving vehicle, or the resistance experienced when sliding an object on a surface.

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• 3.

### is the movement of heat by direct contact between particles of matter

• A.

Convection

• B.

Conduction

• C.

Conductor

• D.

Friction

B. Conduction
Explanation
Conduction is the movement of heat by direct contact between particles of matter. In this process, heat energy is transferred from one particle to another through direct contact, without the need for any movement of the particles themselves. This can occur in solids, liquids, and gases, but it is most effective in solids due to the close proximity of particles. Conduction is an important method of heat transfer in everyday life, such as when a metal spoon placed in hot soup becomes hot due to the transfer of heat from the soup through conduction.

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• 4.

### is a material that does not conduct heat well

• A.

Conduction

• B.

Insulator

• C.

Melt

• D.

Conductor

B. Insulator
Explanation
An insulator is a material that does not conduct heat well. This means that it does not easily allow the transfer of heat from one object to another. Insulators have high resistance to heat flow, which makes them useful for keeping heat in or out of a system. Unlike conductors, which allow heat to flow easily, insulators prevent or limit the transfer of heat, making them ideal for applications such as insulation in buildings or protective coatings for electrical wires.

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• 5.

### is the movement of heat through liquids and gases by movements of particles from one part of the matter to another

• A.

Friction

• B.

Conduction

• C.

Convection

• D.

Explanation
Radiation is the movement of heat through electromagnetic waves, without the need for particles to physically transfer the heat. It can occur in a vacuum or through transparent mediums, and does not require direct contact between objects. This is different from conduction, which involves the transfer of heat through direct contact between particles, and convection, which involves the transfer of heat through the movement of particles within a fluid. Friction does not involve the transfer of heat, but rather the conversion of mechanical energy into heat energy.

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• 6.

### means to change from a liquid to a gas

• A.

Insulator

• B.

Temperature

• C.

Evaporate

• D.

Melt

C. Evaporate
Explanation
Evaporate means to change from a liquid to a gas.

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• 7.

### means to change from gas to a liquid

• A.

Conduction

• B.

Condense

• C.

Convection

• D.

Conductor

B. Condense
Explanation
Condense means to change from a gas to a liquid. This process occurs when the temperature of a gas is lowered, causing the gas molecules to slow down and come closer together, forming a liquid. Condensation is commonly observed when warm, moist air comes into contact with a cold surface, such as when water vapor in the air condenses on a cold windowpane, forming droplets.

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• 8.

### means to change from a solid to a liquid

• A.

Insulator

• B.

Friction

• C.

Melt

• D.

Condense

C. Melt
Explanation
The term "melt" refers to the process of changing a substance from a solid state to a liquid state. This typically occurs when heat is applied to the solid, causing its particles to gain energy and move more freely, resulting in the substance becoming a liquid.

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• 9.

### is a material that heat travels through easily

• A.

Conduction

• B.

Conductor

• C.

Convection

• D.

Insulator

B. Conductor
Explanation
A conductor is a material that allows heat to easily flow through it. This is because conductors have a high thermal conductivity, meaning they have a large number of free electrons that can easily transfer heat energy. These materials are often used in applications where heat transfer is desired, such as in electrical wires or cooking utensils.

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