Oceans Review

What is an Ocean?

• small body of water

• large body of water

What % of the world is water?

• 20%

• 50%

• 70%

• 97%

What type of water is in the Ocean?

• regular water

• salt water

• fresh water

• spring water

Dark, but some fish live here

• Midnight Zone

• Twilight Zone

• Abyss

• Sunlight Zone

VERY Dark, not much life

• Midnight Zone

• Twilight Zone

• Abyss

• Sunlight Zone

The movement of deep, cold, nutrient filled water to the surface of the ocean is..

• Ocean Current

• Upwelling

• Deep Currents

• Surface Currents

What affects the density of water?

• Salt

• Temperature

• The seasons of the year

• Both A and B

What affects the density of water?

• Salt

• Temperature

• The seasons of the year

• Both A and B

Why is upwelling important?

• Upwelling regulates ocean temperature

• Upwelling provides nutrient rich water that sustains life

• Upwelling controls the tides

• Upwelling helps sailors to navigate the seas

Two types of ocean currents are

• local and global
• sea and land
• surface and deep
• warm and cold