Lesson 1 Materials

Per Class

• 1 16-oz single-wall plastic cup with straw (regular cup)

• 1 16-oz double-wall plastic cup with straw (fancy cup)

• pitcher of  iced cold water

• 2 thermometers

• 500-mL beaker

• additional ice

• timer

Per Student

• science notebook

• sticky notes

• markers

Prep

Review

• Lesson Plan

• Slides

• Assessment or answer keys (if required)

Prepare

• Teacher Reference materials

• Handouts (printed or digital)

• Prepare a Similar, Different, Makes Us Wonder chart on chart paper or whiteboard space.

• Determine where to set up the Driving Question Board and prepare markers, note cards, tape, and an Ideas for Investigations poster prior to starting.

• The night before the lab, make ice. The day of the lab, make a pitcher of cold water using the ice (chill to 6℃ or colder) so that you have roughly 200 mL for each of the two cups. Have a pitcher of cold water, the single-wall plastic cup, the double-wall plastic cup, two thermometers, and a beaker nearby for the demonstration.

• Notes for during the lab: Make sure to have ice on hand if you need to make additional cold water.

• Safety: Warn students to be careful with glass thermometers, as any breakage may cause cuts and scrapes.