Question

shawna puts a bottle of lemonade in the freezer. when she removes the lemonade, she notices that it has started to freeze. she wonders what factors affect how quickly a liquid freezes. so, she decides to design an experiment. she has the following supplies available: water, lemonade, two 12 - ounce bottles, a 12 - ounce ice cube tray, a freezer, a stopwatch. using only these supplies, which two questions can shawna investigate with an experiment? will 12 ounces of lemonade and 12 ounces of water both freeze if left in a bottle in the freezer for one hour? will 12 ounces of fresh water and 12 ounces of salt water both freeze if left in a bottle in the freezer overnight? will 12 ounces of water freeze more quickly in an ice cube tray or in a bottle? will 12 ounces of water in a bottle and 12 ounces of water in a bag both freeze if left in the freezer for three hours?

Explanation:

Step1: Analyze available supplies

Supplies are water, lemonade, two 12 - ounce bottles, a 12 - ounce ice cube tray, a freezer, a stopwatch.

Step2: Evaluate each question

• First question: Can use water, lemonade, bottles and freezer to test.
• Second question: No salt is among supplies, so cannot test.
• Third question: Can use water, bottle, ice - cube tray, freezer and stopwatch to test.
• Fourth question: No bag among supplies, so cannot test.

Answer:

1. Will 12 ounces of lemonade and 12 ounces of water both freeze if left in a bottle in the freezer for one hour?
2. Will 12 ounces of water freeze more quickly in an ice cube tray or in a bottle?