Bill Nye Oceans

What keeps ocean water moving?

• rocks and sand

• wind and salt

• sand and salt

• rain and snow

Tags

NGSS.MS-ESS2-6

What are ocean currents?

• streams of lava flowing through water

• columns of air moving through water

• bubbles moving through water

• rivers of water flowing through water

Tags

NGSS.MS-ESS2-6

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

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

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.

Why is the weather in Iceland, Norway, and Britain warmer that you would expect?

• longer days

• stronger sunshine

• no clouds

• warm ocean current

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What do Data Marker Buoys do?

• show where currents flow

• show where the deepest water is

• show the temperature of the water

• show how much salt is in the water

Why aren't rivers and lakes salty?

• All the salt dissolves.

• Rain water carries salt away to the oceans.

• All salt forms in the ocean.

• Rivers carry salt from oceans to lakes.

Tags

NGSS.MS-ESS2-4

The amount of salt in the oceans has increased over time.

• True

• False

At which location does the sun warm the oceans the most?

• the north pole

• the south pole

• the equator

• the west

Tags

NGSS.MS-ESS2-6