Understanding Sea Level: Challenges and Implications

Understanding Sea Level: Challenges and Implications

Assessment

Interactive Video

Science, Geography

9th - 12th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video explores the complexities of measuring sea level, influenced by tides, land movement, and climate change. It highlights the challenges posed by gravitational anomalies and the role of satellites in providing accurate measurements. The video also discusses how climate change affects sea levels differently across the globe, emphasizing the need for both global and local assessments.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes defining sea level a complex task?

The uniform shape of the Earth

The absence of tides

The consistent gravitational pull

The influence of the moon and Earth's shape

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it necessary to collect sea level data over decades?

To track daily tidal movements

To measure the height of waves

To observe the effects of lunar and solar tides

To account for short-term weather changes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the sun in influencing tides?

It creates tides larger than the moon's

It creates tides about half the size of the moon's

It has no effect on tides

It cancels out the moon's tides

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do satellites help in measuring sea level?

By tracking the movement of tectonic plates

By using radar to measure sea level from space

By observing the color of the ocean

By measuring the height of waves

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't we rely solely on land-based instruments to measure sea level?

Because land is constantly moving

Because they are too expensive

Because they are inaccurate

Because land is always stationary

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are gravitational anomalies?

Zones with constant sea level

Places with no gravitational force

Areas with varying gravitational pull

Regions with uniform gravity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do gravitational anomalies affect sea level?

They make water disappear

They cause water to bunch up in some areas

They have no effect on water distribution

They cause water to spread evenly

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