Matter: Sink or Float

Explicit Instruction/Teacher modeling

• Take out the chart with each object listed.
• Have the students reflect on whether they think each object with sink or float.
• Take votes to see who thinks the item will sink and who thinks the item will float.
• Post the chart to use later for closing the lesson.

Guided Practice

• Pick two of the objects on the Sink or Float worksheet and test out the predictions with the students.
• Organize students into small teams.

Independent working time

• Have students work with their team to finish the rest of the sink or float activity and determine whether their predictions were correct.