Waves

10/10/2020 6:21:00 PM
newscientist.com
Image: newscientist.com

Do you know?

  • Ocean waves are created by three forces: wind, seismic events and the gravitational pull of the moon and sun.
  • Waves appear in many forms and shapes. They have their own properties and behave differently from each other.

Let's explore more about waves!

Waves are mysterious phenomenon. Image: sciencenewsforstudents.com

Listen and choose the correct answer.

  • The water in a wave rises up out of the water and usually comes back down ____________.
  • Which of the following usually causes surface waves?

The water in a wave rises up out of the water and usually comes back down ____________.

  • in a different position
  • in the same position
  • in an unknown position

Which of the following usually causes surface waves?

  • The water
  • The ocean
  • The wind

Complete the text you are listening to by dragging the correct word to each blank.

Waves

How many times have you sat on a beach and looked at the ocean? It is an amazing sight. The waves are fun to splash in, but have you ever wondered what causes waves and how they work? Waves can be gentle and lapping, or they can be rolling and the shore. What makes the ?

When you are sitting on the beach, it looks like the waves are rushing right at you. But that is really not the case. The water in a is actually rising up out of the water and then coming back down. It usually comes back down in the same or very position.

Out at sea, a wave can travel a great distance. Waves can move large ships and other large objects. But once a wave gets closer to the shore, it does not have as much power. It begins to slow down and drag. The top part of the wave keeps going. When you see the cap on a wave, it means that the wave is “breaking” before it goes down under water again.

The wind is usually what causes surface waves. The wind can be blowing hard or it can be blowing . The more intense the wind is, the higher the wave will be. The wind pushes the water.

Read and answer the following questions.

Waves come in different shapes and forms. Image: rd.com

How many times have you sat on a beach and looked at the ocean? It is an amazing sight. The waves are fun to splash in, but have you ever wondered what causes waves and how they work? Waves can be gentle and lapping, or they can be rolling and crash onto the shore. What makes the difference?

When you are sitting on the beach, it looks like the waves are rushing right at you. But that is really not the case. The water in a wave is actually rising up out of the water and then coming back down. It usually comes back down in the same or very similar position.

Out at sea, a wave can travel a great distance. Waves can move large ships and other large objects. But once a wave gets closer to the shore, it does not have as much power. It begins to slow down and drag. The top part of the wave keeps going. When you see the cap on a wave, it means that the wave is “breaking” before it goes down underwater again.

The wind is usually what causes surface waves. The wind can be blowing hard or it can be blowing softly. The more intense the wind is, the higher the wave will be. The wind pushes the water.

Source: Daily Warm-ups Reading Grade 5

Which paragraph does not explain how waves work?
  • first paragraph
  • second paragraph
  • third paragraph
  • fourth paragraph
What is the author’s opinion about the ocean?
  • The author thinks the ocean needs to be cleaned up.
  • The author thinks there has not been enough research about how waves work.
  • The author is interested in sharing the wonders of animal life in the ocean.
  • The author thinks the ocean and the waves are amazing.
Which sentence expresses the author’s feelings about the ocean?
  • Out at sea, a wave can travel a great distance.
  • Waves can move large ships and other large objects.
  • It is an amazing sight.
  • The more intense the wind is, the higher the wave will be.

Put the right word in each blank. The sentences are from the text.

  1. The water in a wave is actually rising up out of the water and then coming back down.  It usually comes back down in the same or very position. 
  2. can be gentle and lapping, or they can be rolling and the shore.  What makes the ? 
  3. The wind can be blowing hard or it can be blowing .

Put the right word in each blank. These are new sentences for the words in the text. 

  1. He speaks because he is shy.
  2. She could not tell the between right and wrong.
  3. The two houses are in size.
  4. The boat rocked on the ocean .
  5. We could hear waves the shore.