Bill Nye Oceans

What causes the water in the ocean to evaporate?

• heat from the sun

• storms

• ocean currents

• low temperatures

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

How does salt cause currents?

• Salt crystals drop to the bottom and push water up.

• Heavy salt water sinks and pushes less salty water out of the way.

• Light-weight salt water sinks and pushes less salty water out of the way.

• Less salty water sinks and pushes salty water out of the way.

What keeps ocean water moving?

• rocks and sand

• wind and salt

• sand and salt

• rain and snow

Tags

NGSS.MS-ESS2-6

Why isn't rain water salty?

• Salt evaporates.

• Water evaporates, salt does not.

• Water and salt evaporate.

• Salt sticks to clouds.

Tags

NGSS.MS-ESS2-4

The surface of the Earth is covered by ___ % salt water.

• 49

• 65

• 71

• 82

Tags

NGSS.MS-ESS2-4

The Earth's surface is covered by ___ % of saltwater.

• 49

• 65

• 71

• 82

Tags

NGSS.MS-ESS2-4

Which is the only planet in our solar system that has oceans?

• Mars

• Venus

• Neptune

• Earth

Tags

NGSS.MS-ESS2-4

What is the primary cause of ocean tides?

• Gravitational pull of the moon

• Wind patterns

• Earth's rotation

• Sun's heat

Tags

NGSS.MS-PS2-4

Which ocean is the largest by surface area?

• Atlantic Ocean

• Indian Ocean

• Arctic Ocean

• Pacific Ocean

What is the main component of ocean water?

• Salt

• Chlorine

• Water

• Magnesium