Each group needs:

• Oceans Away Worksheet, one per person

Each group needs for Activity 1 – Follow that Current

• 2 colored ice cubes (colored with dark food coloring; prepared in advance by the teacher)
• clear baking dish or see-through container
• warm or hot water

Each group needs for Activity 2 – Currents in the Wind

• 1 spice, such as oregano, that shows up in clear water
• clear baking dish or see-through container (may be the same container used in activity 1)
• room-temperature water

Each group needs for Activity 3 – Fresh Water Floats?

• salt
• food coloring (dark colors work best)
• 2 clear glass jars or other container that enables students to see a clear lineation between the salt and fresh water (should be taller than the baking dish in activities 1 and 2)
• room-temperature water

To share with the entire class:

• paper towels, for cleanup
• spoons, for adding salt to water and stirring in food coloring
• pitcher(s), to pour water into baking dishes and cups
• ice tray, to make ice cubes
• access to a freezer