Understanding Energy Conservation Principles

During a science experiment, Nora and Jackson are observing an isolated system. They notice that the total energy in the system (a)   over time.

• The total energy can increase over
• The total energy remains constant.
• The total energy decreases over tim
• The total energy fluctuates randoml

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Imagine you're on a spaceship with Lily and Benjamin, exploring the universe! Which of the following best describes a closed system in terms of energy exchange?

• Energy can be exchanged with the surroundings, but matter cannot.

• Both energy and matter can be exchanged with the surroundings.

• Neither energy nor matter can be exchanged with the surroundings.

• Matter can be exchanged with the surroundings, but energy cannot.

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Imagine Anika and Kai are on a thrilling roller coaster ride. At the top of the hill, the roller coaster has potential energy. As it zooms down, what form of energy does this transform into?

• Chemical energy

• Thermal energy

• Kinetic energy

• Nuclear energy

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Lily and William are on a science adventure! Which of the following scenarios best illustrates the Law of Conservation of Energy?

• A car engine converting gasoline into motion and heat.

• A light bulb burning out after extended use.

• A battery losing charge over time.

• A plant photosynthesizing sunlight into chemical energy.

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Ava and Priya are having a friendly debate about energy transformations. Ava claims that one of their kitchen appliances is a perfect example of electrical energy turning into thermal energy. Which appliance is she talking about?

• A solar panel generating electricity.

• A toaster heating bread.

• A wind turbine generating electricity.

• A battery powering a flashlight.

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Imagine a thrilling ride on a giant pendulum at the amusement park! As it swings back and forth, at its highest point, it has maximum potential energy. What do you think happens to this energy as it reaches the lowest point? Join William, Nora, and Rohan in figuring it out!

• It is completely lost.

• It is transformed into kinetic energy.

• It remains as potential energy.

• It is transformed into thermal energy.

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Imagine you're in a science class with Benjamin, William, and Lily. Your teacher asks: Which of the following best describes an open system in terms of energy and matter exchange?

• Only energy can be exchanged with the surroundings.

• Only matter can be exchanged with the surroundings.

• Both energy and matter can be exchanged with the surroundings.

• Neither energy nor matter can be exchanged with the surroundings.

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Imagine Kai and Aria are on an adventure near a hydroelectric dam. They are curious about how the dam works. Can you help them understand by identifying the best description of the energy transformation happening there?

• Mechanical to chemical

• Potential to kinetic to electrical

• Thermal to electrical

• Chemical to thermal to electrical

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Samuel and Kai are on a magical island where the laws of physics are a bit different. They notice that when Samuel runs faster, his kinetic energy increases. What must happen to his potential energy, assuming no energy is lost on this magical island?

• It must increase.

• It must decrease.

• It remains unchanged.

• It becomes zero.

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Match the following scenarios with the type of energy transformation they illustrate during Daniel's road trip.

• Chemical energy to mechanical energy.

• A wind turbine spinning in the distance generating electricity.

• Wind energy to electrical energy.

• Solar panels on the roadside generating electricity.

• Chemical energy to light energy.

• Daniel's car engine running on gasoline.

• Solar energy to electrical energy.

• A battery in Daniel's flashlight illuminating the map.

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