Energy Transformation Quiz

What type of energy transformation occurs when sunlight (radiant energy) is absorbed by a tree?

• Radiant to Thermal

• Chemical to Electrical

• Radiant to Chemical

• Electrical to Chemical

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According to the diagram, what type of energy does a bicycle primarily utilize and transform when in motion?

• Chemical to Thermal

• Motion to Chemical

• Chemical to Motion

• Electrical to Motion

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What is the final form of energy when an appliance like an oven is used according to the energy transformation diagram?

• Chemical

• Radiant

• Thermal

• Motion

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What does the first law of thermodynamics state about energy?

• Energy can be created and destroyed.

• Energy can neither be created nor destroyed, only transformed.

• Energy decreases in a closed system.

• Energy is primarily converted into light.

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According to the second law of thermodynamics, what happens to systems over time?

• Systems remain in a constant state of order.

• Systems naturally progress from disorder to order.

• Systems naturally progress from order to disorder.

• Systems exchange energy to maintain balance.

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What is entropy as described in the context of the second law of thermodynamics?

• A measure of energy that can be used for mechanical work.

• A type of energy that decreases in a closed system.

• The disorder or randomness in a system, which always increases.

• The total amount of energy conserved in a reaction.

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What is the primary source of energy for nearly all life on Earth?

• The Moon

• Geothermal heat

• The Sun

• Artificial light

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Which of the following organisms are considered autotrophs?

• Fungi

• Animals

• Algae

• Most bacteria

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How do heterotrophs primarily obtain their energy?

• By consuming inorganic substances

• By photosynthesis

• By consuming other organisms

• By absorbing sunlight directly

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Which process do autotrophs use to convert light energy into chemical energy?

• Digestion

• Respiration

• Photosynthesis

• Fermentation

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