transforming energy

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

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The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

• mechanical to heat

• sound to mechanical

• potential to kinetic

• kinetic to potential

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Explain the energy transformation is a simple light electric circuit?

• chemical- electrical- radiant

• electrical- radiant- chemical

• Thermal- radiant- chemical

• radiant- chemical- electrical

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The picture showing the energy conversion

Light → chemical

is:

• 
• 
• 
• 

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What is the best pro about renewable resources? 

• The are inexpensive 
• They are always available
• They are expensive
• They create pollution  

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Wind, moving water, sunlight, and heat from Earth’s interior are sources of

• Alternative energy

• Renewable energy

• Geothermal energy

• Ocean thermal energy

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Which of these are renewable energy sources?

• Solar

• Geothermal

• Hydroelectric

• Wind

• Nuclear

When plants convert the sun's energy into food, which type of energy is it?

• kinetic
• chemical
• thermal
• radiant

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What kind of energy is represented in this picture?

• Thermal
• Potential
• Nuclear
• Mechanical

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What kind of energy does this device use?

• Chemical
• Electrical
• Thermal
• Chemical

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