Standard Science Primary 6 Energy

Which of the following is the primary source of energy for almost all living things on Earth?

A The Sun
B Batteries
C Electricity
D Food
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Worked Solution

Step 1: Plants need light energy to make food (photosynthesis). Step 2: Animals eat plants or other animals for energy. Step 3: All this energy can be traced back to the Sun.

Correct answer: The Sun

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