Understanding Waves and Tides

The video explores the concept of waves, explaining their formation and characteristics. It discusses how wind and the moon's gravity influence waves and tides. The video also covers tsunamis, their causes, and the dangers they pose. It concludes with engaging questions for viewers.

What is the top part of a wave called?

• Peak

• Crest

• Base

• Trough

What causes most of the waves we see on the beach?

• Wind

• Earthquakes

• Tides

• Boats

What factor does NOT affect the size of a wave?

• Distance the wind travels over the water

• Temperature of the water

• Duration of the wind

• Strength of the wind

What celestial body influences the tides on Earth?

• Moon

• Mars

• Sun

• Jupiter

What is it called when the ocean covers more of the beach?

• Spring tide

• Low tide

• High tide

• Mid tide

Why do tracks on the beach get covered by water later in the day?

• Low tide

• Wind

• Rainfall

• High tide

What can bring cool objects to the shore after a big storm?

• High tide

• Low tide

• Big waves

• Calm seas

What is the main cause of tsunamis?

• Underwater volcanoes

• Wind

• Moon's gravity

• Rainfall

How tall can tsunami waves be when they hit the shore?

• 20 meters

• 10 meters

• 30 meters

• 40 meters

Where are tsunamis more common?

• Indian Ocean

• Atlantic Ocean

• Arctic Ocean

• Pacific Ocean