Youtube Exercise » English Grammar Homework

B1-B2

Why Is Ocean Water Salty? | Earth's Ocean | Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz

4.2M views 5 years ago

Warm-up Questions

When you think of the ocean, what words come to mind (for example: salty, deep, waves)?
Why do you think ocean water tastes salty?
Do you think lakes and rivers have salt in them too? Why or why not?

Up Next

Vertebrados | Camaleón CNTV Infantil
IELTS Speaking Practice Test with Answers – 2025 New Test! E2 IELTS
Interchange 2 (8.Thanksgiving) Innovation Development
English – London sightseeing (A1-A2 – with subtitles) Loescher Editore video
Distinguishing fact from opinion Snap Language

Start With: Word Definition

Order: Alphabetical Random

…

Why Is Ocean Water Salty? | Earth's Ocean | Dr Binocs Show | Peekaboo Kidz

The mystery: how salty is the ocean? (00:00 – 01:39)

Transcript will load here…

1. What is the main question of the episode?

Why fish can breathe underwater
Why waves are dangerous
Why oceans are warm
Why the ocean water is salty

2. About what percent of Earth's surface is covered by oceans (as stated in the video)?

3. According to the video, ocean salt mainly comes from which two sources?

Run off from the land and openings in the sea floor
Fish and seaweed
Icebergs and storms
Clouds and snow

Why Is Ocean Water Salty? | Earth's Ocean | Dr Binocs Show | Peekaboo Kidz

Source 1: rain, rocks, and minerals (01:39 – 02:40)

Transcript will load here…

1. What makes the rainwater 'slightly acidic' in the video?

Salt from the ocean
Smoke from volcanoes
Sugar from plants
Carbon dioxide from the atmosphere

2. What happens when this acidic water meets the land surface?

It turns into steam
It freezes immediately
It becomes completely salt-free
It erodes the rocks and picks up dissolved minerals

3. When the mixed rainwater reaches the ocean, what does the video say tends to remain?

Sand
Salt
Calcium only
Oxygen

Why Is Ocean Water Salty? | Earth's Ocean | Dr Binocs Show | Peekaboo Kidz

Source 2: hydrothermal fluids, plus lakes vs oceans and a final message (02:40 – 04:58)

Transcript will load here…

1. What heats the ocean water after it seeps into cracks in the sea floor?

Magma from the earth's core
Cold currents
Wind from storms
Sunlight

2. Why does the video say lakes and rivers are not very salty?

They evaporate faster than oceans
They are too deep to hold salt
They are continually flowing, so salt doesn’t get accumulated
They have no salt at all

3. Which two minerals are said to be the most common in sea water?

Iron and copper
Chloride and sodium
Oxygen and magnesium
Gold and silver

Why Is Ocean Water Salty? | Earth's Ocean | Dr Binocs Show | Peekaboo Kidz

Transcript will load here…

1. Which statement best summarizes why the ocean becomes salty over time?

The ocean is salty because it has more waves than lakes.
Salt comes from land and the seafloor and tends to remain in the ocean.
Salt is constantly removed from the ocean by animals.
The ocean is salty because it is cold.

2. What is one key difference between oceans and rivers/lakes mentioned in the video?

Oceans never receive rainwater.
Oceans have water, but rivers do not.
Lakes are always connected to magma.
Rivers and lakes flow, so salt is carried away rather than building up.

3. What is the video’s message about humans and the ocean?

We should keep oceans clean and free from pollution.
We should avoid oceans because they are dangerous.
We should stop rivers from flowing into the ocean.
We should remove salt from the ocean.

Discussion Questions

Discuss the ideas from this video

Why Is Ocean Water Salty? | Earth's Ocean | Dr Binocs Show | Peekaboo Kidz

Would you ever drink ocean water in an emergency? Why or why not?
Which source of ocean salt is more interesting to you: run off from the land or hydrothermal fluids? Explain.
Do you think pollution could change ocean water in the future? How?
If you could teach a younger student why the ocean is salty, what simple explanation would you give?