DO NOW 1. Please glue in pages 108 and 109 2. Please update your Table of Contents (page 101) to include: 3. 4.1 Deep Ocean Currents 108, 109.

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Presentation transcript:

DO NOW 1. Please glue in pages 108 and Please update your Table of Contents (page 101) to include: Deep Ocean Currents 108, 109

Hope everybody had a fantastic break!

OVERVIEW: NEXT FEW WEEKS: This week: Ocean and currents Next few weeks: weather!

REMINDER- CURRENTS → Perpetual Ocean Youtube video

OHHH, I REMEMBER...

SURFACE CURRENTS VS. DEEP OCEAN CURRENTS

COFFEE HOUR 1. one round of rocks paper scissors 2. loser: describe how surface currents move (start sentence with “In surface currents, water moves...”) winner: describe how deep ocean currents move (start sentence with “in deep ocean currents, water moves...”)

What causes deep ocean currents to move vertically (up and down)?

ANIMATION: HOT WATER AND COLD WATER → Reminder: density is basically how tightly packed together the molecules are! → dia/chapter3/lesson6#cold_and_hot_water dia/chapter3/lesson6#cold_and_hot_water → Remember: water molecules want to snuggle together when they're cold!

FILL IN USING ANIMATION

WE'RE ABOUT TO DO AN EXPERIMENT!

EXPERIMENT → dia/chapter3/lesson6#hot_water_on_cold_water dia/chapter3/lesson6#hot_water_on_cold_water Fill in this box:

POST IT → Answer the question: how does temperature create deep ocean currents?

ONE MORE THING! Brainstorm: what else is in ocean water?

ONE MORE THING! Brainstorm: what else is in ocean water?

Amount of salt in water

POP QUIZ Which water below has a higher salinity?

POP QUIZ Which water below has a higher salinity? The water on the right has a higher salinity because...

DRAW

PREDICT

BILL NYE VIDEO → As you watch Bill Nye video, fill this out!

POST IT -How does salinity create deep ocean currents?

INDEPENDENT WORK Please silently and independently complete page 108.