Objective

By the end of this lesson, Maia and Jessie will understand the process of freezing water, the science behind it, and will conduct fun experiments to observe the changes in water as it transitions from liquid to solid. They will also learn about the properties of ice and its importance in our daily lives.

Materials and Prep

• Water
• Ice cube trays or any container that can hold water
• Access to a freezer
• Timer or stopwatch (optional)
• Notebook and pen for observations

Before starting the lesson, ensure that the freezer is empty and ready for the ice cube trays or containers. Discuss with Maia and Jessie the importance of measuring and observing changes accurately.

Activities

• Ice Cube Experiment:

  Fill the ice cube trays with water and place them in the freezer. Set a timer for 30 minutes and observe the water as it begins to freeze. Discuss what changes they notice and how long it takes for the water to completely freeze.

• Temperature Measurement:

  Before placing the water in the freezer, measure the temperature of the water using their hands or a thermometer if available. After the water has frozen, measure the temperature of the ice. Discuss how temperature affects the state of water.

• Ice Sculpture Challenge:

  Once the water has frozen, remove the ice cubes and challenge Maia and Jessie to create an ice sculpture using the cubes. They can stack, arrange, or even color the ice with food coloring (if available) to make it more fun!

• Observation Journal:

  Throughout the activities, have Maia and Jessie keep a journal of their observations. They can write down the time it took for the water to freeze, any changes they noticed, and their thoughts on the experiments.

Talking Points

• "Did you know that water freezes at 0 degrees Celsius or 32 degrees Fahrenheit? That's the temperature we need for ice to form!"
• "When water freezes, it expands. That's why ice cubes float in your drink!"
• "What do you think happens to the molecules in water when it freezes? They move slower and form a solid structure!"
• "Ice is less dense than liquid water, which is why it floats. This is important for aquatic life during winter!"
• "Can you think of other ways we use ice in our everyday lives? Ice in drinks, ice packs for injuries, and even in ice skating!"
• "Why do you think it's important to observe the freezing process? It helps us understand changes in states of matter!"
• "What did you enjoy most about creating your ice sculptures? This shows how creative science can be!"