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Conservation of matter (weigh it!) — Homework
Use conservation of matter, nothing appears or disappears, to answer.
- 1.A container has mass 30 grams. You add 70 grams of water. Total mass?
- 2.You then stir in 8 grams of salt until it fully dissolves. New total mass?
- 3.The salt seems to vanish when it dissolves. Has any matter actually been lost?
- 4.Explain in your own words what conservation of matter means.
- 5.Why might a measured mass be lower than predicted after mixing a fizzy tablet into water?
🌲 Homeschool of the FutureFifth Grade · Science · week 3 homework