Substance remains at 76.4 grams after 40 minutes, indicating no mass loss, suggesting a physical change such as sublimation or evaporation.
A diagram showing a substance in a container before and after 40 minutes, with the weight remaining constant at 76.4 grams, illustrating a physical change.
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #422038