Phase Change Investigation Lab

Front

What is the primary method used to cap a water bottle in the Phase Change Investigation Lab?

Back

A balloon.

Front

Why is it important for the water to be warm in task 3 of the lab?

Back

To facilitate a better reaction between water and ice.

Front

Is it safe to lick dry ice?

Back

No.

Front

What is the proper way to handle dry ice?

Back

With a plastic spoon or tongs.

Front

Is it safe to dispose of dry ice by leaving it on the grass?

Back

No.

Front

What phase change occurs when ice melts?

Back

Melting (solid to liquid).

Front

What phase change occurs when water freezes?

Back

Freezing (liquid to solid).

Front

What is sublimation in the context of dry ice?

Back

The process where dry ice (solid carbon dioxide) changes directly into carbon dioxide gas without becoming liquid.

Front

What safety precautions should be taken when handling dry ice?

Back

Always use gloves or tongs to avoid skin burns.

Front

What is the effect of temperature on the rate of phase change?

Back

Higher temperatures generally increase the rate of phase change.