How Things Work Questions & Answers

Hi Everyone!! This article will share How Things Work Questions & Answers.

In my previous posts, I have shared the questions and answers of The Right Track, Macavity The Mystery Cat and Mowgli Finds His Family so, you can check these posts as well.

How Things Work Questions & Answers

Question 1: Number the steps of creating electricity through wind turbines in the correct order.

Answer:

…2…Rotor starts turning as the blades turn.
…4…Moving shaft makes the generator spin.
…3…As the rotor moves, it turns the shaft.
…1…Powerful gusts of wind move the blades in a circular motion.
…5…Spinning generator generates electricity.

Question 2: Complete the following sentences:

1. The largest onshore wind farm is located in China, it is called the Gansu wind farm.
2. Many birds accidently hit the enormous blades of the turbines and die.
3. The Native Americans believed that spirit lived inside each kernel of corn.
4. The kernel of corn is rigid and hard, so it cannot expand.
5. The kernels that do not pop are called “old maids”.

Question 3: What are modern windmills called?

Answer: Modern windmills are called wind turbines.

Question 4: Why are windmills important?

Answer: Windmills are important because they provide a way to produce electricity without causing any pollution.

Question 5: What was the belief of Native Americans about popcorn?

Answer: Native Americans believed that a spirit lived inside each kernel of popcorn. When heated the spirit grew angry and burst out of its home into the air.

Question 6: Which three conditions make it possible for a corn kernel to pop?

Answer: Moisture inside the kernel, starch inside the kernel and the hard shell surrounding the kernel make it possible for a corn kernel to pop.

Question 7: What forms the white fluffy solid part of popcorn that we cat?

Answer: The starch granules in the kernel do not explode but expand into thin, jelly-like bubbles. When they cool down the bubbles fuse together and solidify forming the white fluffy solid part of popcorn.

Question 8: List other disadvantages of building large wind farms in addition to harming bats and birds?

Answer: Some of the disadvantages are:

  • The energy produced by windmills must be stored in order to be used.
  • The energy produced depends on the wind therefore it is an unstable source of energy.
  • Wind farms produce a lot of noise thus adding up to the noise pollution.

So, these were the Questions & Answers.

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