Ques:Q: What energy is stored in a person or object? Read this paragraph and choose the correct option from the provided answers: The diver has energy because of her position high above the pool. The type of energy she has is called potential energy. Potential energy is energy that is stored in a person or object. Often, the person or object has potential energy because of its position or shape. Choices: - kinetic energy - mechanical energy - stored energy - potential energy A:

Ans:potential energy
-----
Ques:Q: What device uses electromagnetic induction to change the voltage of electric current? Read this paragraph and choose the correct option from the provided answers: An electric generator is a device that changes kinetic energy to electrical energy through electromagnetic induction. An electric transformer is a device that uses electromagnetic induction to change the voltage of electric current. Choices: - electric combustion - electric conductor - convection device - electric transformer A:

Ans:electric transformer
-----
Ques:Q: Why do sharks sense low levels of electricity? Read this paragraph and choose the correct option from the provided answers: Fish also have a centralized nervous system with a brain. Fish brains are small compared with the brains of other vertebrates, but they are large and complex compared with the brains of invertebrates. Fish also have highly developed sense organs that allow them to see, hear, feel, smell, and taste. Sharks and some other fish can even sense the very low levels of electricity emitted by other animals. This helps them locate prey. Choices: - to locate mates - to sleep - to reproduce - to locate prey A:

Ans:to locate prey
-----
Ques:Q: What is the cutting and burning trees to clear land for farming called? Read this paragraph and choose the correct option from the provided answers: Cutting and burning trees to clear land for farming is called slash-and-burn agriculture. How does this affect the atmosphere?. Choices: - drop-and-blaze agriculture - cut-and-smoke farming - reduce-and-ignite agriculture - slash-and-burn agriculture A:

Ans:
slash-and-burn agriculture
-----