Ocean Waves and Tsunamis Concepts

The video explores the science of ocean waves, primarily focusing on wind-driven waves, their parts, and behavior near the shore. It explains the causes of tides and tsunamis, highlighting their environmental impact. The video concludes with a summary and resources for further learning.

What is the primary force responsible for creating most ocean waves?

• Earthquakes

• Volcanoes

• Wind

• Landslides

Which part of a wave is the highest point?

• Trough

• Crest

• Wave length

• Base

What happens to waves as they approach the shore?

• They remain unchanged

• They slow down and change shape

• They disappear

• They speed up

Tides are primarily caused by the gravitational pull of which celestial bodies?

• The Sun and the Moon

• The Earth and the Moon

• Jupiter and Saturn

• Mars and Venus

What natural events can trigger a tsunami?

• Heavy rainfall

• Underwater earthquakes

• Solar flares

• Wind storms

Which of the following is NOT a cause of tsunamis?

• Volcanic eruptions

• Underwater earthquakes

• Landslides

• Wind

How do ocean waves contribute to the environment?

• By stopping erosion

• By mixing nutrients in the water

• By creating new land

• By increasing water temperature

What tool do scientists use to study ocean waves?

• Microscopes

• Telescopes

• Thermometers

• Satellites and buoys

What is the effect of waves on coastlines?

• They build mountains

• They stop erosion

• They erode rocks and move sand

• They create valleys

Which of the following is a benefit of ocean waves for marine life?

• They create new habitats

• They increase salinity

• They mix nutrients in the water

• They decrease water temperature