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Where Do Caves Come From? | Let's Explore Caves! | SciShow Kids

SciShow Kids

149K views 3 years ago

Warm-up Questions

What do you already know about caves?
Where do you think caves come from?
What kinds of caves do you think this video will talk about?

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Where Do Caves Come From? | Let's Explore Caves! | SciShow Kids

What caves are and how limestone caves form (00:00 – 02:03)

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1. What is a cave in this video?

A mountain made of ice
A large space underground or in a hard surface like rock
A deep hole in the ocean
A tunnel built by people

2. What is the process called when water wears away rock?

Freezing
Eruption
Erosion
Decoration

3. How do limestone caves begin to form?

Animals dig tunnels in rock
Wind blows sand out of the ground
Water mixes with the ground to make acid that breaks down limestone
Trees push rocks apart

Where Do Caves Come From? | Let's Explore Caves! | SciShow Kids

Sea caves and glacier ice caves (02:03 – 03:37)

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1. What are sea caves formed by?

Plants growing in rocks
Ocean waves wearing away cliffs
People digging near the beach
Hot lava cooling quickly

2. How long can it take for some caves to form?

A few weeks
One winter
A few hours
Millions of years

3. When do glacier ice caves form?

When lava flows under ice
When rivers dry up
Only during snowstorms
During warmer months when glacier ice melts

Where Do Caves Come From? | Let's Explore Caves! | SciShow Kids

Lava caves and comparing cave types (03:37 – 05:38)

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1. What is another name for a lava cave?

Lava tube
Stone river
Sea crack
Ice tunnel

2. What happens to the top layer of lava?

It gets cooled by air and hardens into rock
It turns into water
It disappears underground
It becomes sand

3. Which type of cave forms the fastest in the video?

Glacier caves
Limestone caves
Sea caves
Lava caves

Where Do Caves Come From? | Let's Explore Caves! | SciShow Kids

Transcript will load here…

1. What is the main idea of the video?

Different natural processes can form different kinds of caves
All caves are exactly the same
Caves are only found near volcanoes
People make most caves underground

2. Which natural force is especially important in forming many caves in the video?

Water
Sunlight
Electricity
Grass

3. What comparison does the video make between cave types?

Limestone caves are the newest
Only sea caves are safe to explore
Some form slowly and some form quickly
All caves need both ice and lava

Discussion Questions

Discuss the ideas from this video

Where Do Caves Come From? | Let's Explore Caves! | SciShow Kids

Which type of cave in the video do you think is the most interesting? Why?
Would you rather explore a sea cave, a glacier ice cave, or a lava cave? Why?
Why do you think water is able to change rock so much over time?
Can you think of other ways nature changes the land around us?