Thermal Energy (Amplify)

What is stability in terms of thermal energy?

• Stability refers to when a system maintains a consistent temperature over time.

• Stability is the ability of a system to absorb heat without changing temperature.

• Stability indicates the maximum temperature a system can reach before failure.

• Stability is the fluctuation of temperature within a system.

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What is a molecule?

• Tiny particles that make up all matter.

• Large structures made of atoms only.

• A type of chemical reaction.

• A unit of measurement for mass.

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What is an example of conduction in everyday life?

• Touching a hot stove and feeling the heat transfer to your hand.

• Boiling water in a pot on the stove.

• Feeling the warmth of the sun on your skin.

• Using a microwave to heat food.

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How does thermal energy affect molecular motion?

• Higher thermal energy decreases molecular motion, causing molecules to move slower.

• Higher thermal energy increases molecular motion, causing molecules to move faster.

• Thermal energy has no effect on molecular motion.

• Higher thermal energy causes molecules to become stationary.

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What is radiation?

• Radiation is the transfer of thermal energy through electromagnetic waves, such as sunlight.

• Radiation is the process of cooling down an object by removing heat.

• Radiation is the emission of particles from a radioactive substance.

• Radiation is the movement of air in the atmosphere.

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What is conduction?

• Conduction is the transfer of thermal energy through direct contact between materials.

• Conduction is the process of heat transfer through fluids without direct contact.

• Conduction refers to the movement of energy through electromagnetic waves.

• Conduction is the transfer of energy through the movement of particles in a gas.

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What is the effect of thermal energy on states of matter?

• Increasing thermal energy can change a substance from solid to liquid (melting) or from liquid to gas (evaporation).

• Thermal energy has no effect on the states of matter.

• Decreasing thermal energy can change a substance from gas to liquid (condensation) or from liquid to solid (freezing).

• Thermal energy only affects gases, not solids or liquids.

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What is the relationship between temperature and thermal energy?

• As temperature increases, the thermal energy of the molecules also increases, causing them to move faster.

• Temperature has no effect on thermal energy.

• As temperature decreases, thermal energy increases.

• Thermal energy is independent of temperature.

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What is convection?

• The transfer of thermal energy through the movement of fluids caused by differences in temperature.

• The process of heat transfer through direct contact between materials.

• The movement of air caused by the rotation of the Earth.

• The transfer of energy through electromagnetic waves.

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How do molecules behave in different states of matter?

• In solids, molecules are loosely packed and move freely; in liquids, they are tightly packed and vibrate in place; in gases, they are close but can move around.

• In solids, molecules are tightly packed and vibrate in place; in liquids, they are close but can move around; in gases, they are far apart and move freely.

• In solids, molecules are far apart and move freely; in liquids, they are tightly packed and vibrate in place; in gases, they are close but can move around.

• In solids, molecules are close but can move around; in liquids, they are far apart and move freely; in gases, they are tightly packed and vibrate in place.

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