ESS2.2 day 1

​ESS2.2
Gather evidence to justify that oceanic convection currents in a system are caused by the sun's transfer of thermal energy and differences in salinity leading to global water movement.

​ESS2.2 How does the Sun’s energy and differences in salinity drive ocean currents and shape global water movement?

By Brittany Williams

​EQ:

​With your 1 2 partner, complete this part of page 11.

​

​Engage: complete this part of page 8.

Multiple Choice

Explore: Prediction

What happens when you drop a can of coke into water?

• It floats

• It sinks

​1's Draw and label why the coke sank.













2's Draw and label why the diet coke floated.

Explain: Review​
How does the Sun’s energy and differences in salinity drive ocean currents and shape global water movement?

​What part of Earth receives the most direct sunlight?​

Bonus Question: Which biome is most associated with sunlight 365 days of the year?

​What is the cooler area of Earth?

Bonus Question: Which biome is closest to the north pole?​

Draw

Where on this map is the warmest air?

What visually helped you decide your answer?

Open Ended

Summarizing Activity:

1's Why doesn’t ocean water just stay still?

2's What causes it to move around the globe?