OSAS Science Grade 5 Practice Questions - Oregon Statewide Assessment System - Science, Grade 5 Exam

Access More Questions

A student places 50 grams of baking soda and 100 grams of vinegar in a sealed plastic bag on a balance. The total mass reads 150 grams. After the substances mix and the bag inflates with gas, the student reads the balance again. What is the most likely total mass?

Less than 150 grams, because gas is lighter than liquid 150 grams, because matter is not created or destroyed in a closed system More than 150 grams, because a new substance was made Zero grams, because the bag is full of gas

Correct Answer:

150 grams, because matter is not created or destroyed in a closed system

Access more questions from this quiz

Continue to OSAS Science Grade 5 Practice Questions - Oregon Statewide Assessment System - Science, Grade 5 Exam for more practice questions and the full quiz experience.

Access More Questions