Weigh Sugar Before and After It Dissolves, Read the Table
Written by Adi Ackerman, Head Teacher
"Weigh Sugar Before and After It Dissolves, Read the Table" is written for 5th Grade (Ages 10-11), and it covers NGSS 5-PS1-2. If your little one is a year younger but already steady on matter, the page still works. You may just need to read the instructions out loud. And if they are older and conservation of mass never quite stuck, this is a short review rather than busywork.
2 pages in this set
5th grade science worksheet: read a class table of sugar and water masses before and after dissolving to show no mass is lost. Answer key included. Part of our conservation of mass matter collection. Aligned to NGSS standards.
How do I use this worksheet?
Run the test with a kitchen scale before or after the page. Ask your child to predict the final mass first, then check it. The answer key shows the accepted answers for the written questions.
What students will practice
- Students will use measured masses to show that matter is not lost when sugar dissolves.
- Students will read a data table and compare masses before and after mixing.
- Students will explain that dissolved sugar is still there as tiny spread out particles.
Curriculum Links
Next Generation Science Standards
Science · 5th Grade
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FAQ
How do I use this conservation of mass worksheet?
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Run the test with a kitchen scale before or after the page. Ask your child to predict the final mass first, then check it. The answer key shows the accepted answers for the written questions.
What does this worksheet teach?
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Read a class table of sugar and water masses before and after dissolving to show no mass is lost. To dissolve is to break into bits too small to see and spread through a liquid. The directions on the page read: Read the passage and the table. Then, turn the page and answer the questions. On page 2: Circle the letter of the best answer for questions 1 to 3, and write the answers to questions 4 to 6 on the lines. The answer key covers the questions on page 2.
Can I use this conservation of mass worksheet for homeschool or classroom?
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Yes, both. We made it for 5th Grade matter, and the page works the same whether it lands on a kitchen table or a center rotation. At home, most families go through it together and talk the answers out loud, and that talking is where most of the learning happens with conservation of mass. In class it runs well as independent work while you pull a small group. Print one copy or thirty, whichever the day needs.
What does conservation of mass mean?
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It means the total mass stays the same when matter changes, even if it looks like something disappeared. When sugar dissolves, its particles spread out between the water particles, so the mass of the sugar water equals the water plus the sugar.
Does sugar disappear when it dissolves?
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No. It breaks into bits too small to see and spreads evenly through the water, making a solution. On the worksheet, 300 grams of water plus 20 grams of sugar still weigh 320 grams after stirring.
How can I show this at home?
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Weigh a cup of water and a spoon of sugar together on a kitchen scale, then stir the sugar in and weigh again. The number stays the same, which is the same test the class runs on the sheet.
Is there an answer key for each worksheet?
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Yes. Both conservation of mass sheets have an answer key, with sample answers for the questions children answer in their own words.
How many 5th Grade conservation of mass worksheets are there?
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2 printable worksheets, all free to preview. Downloads are included with a ClassWeekly free trial, and every page prints on standard 8.5 x 11 paper.
What age are conservation of mass worksheets for?
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These are written for 5th Grade students, roughly ages 10-11. Many teachers also use them a grade up for review or a grade down as an extension, so use the preview to judge the fit for a particular child.
Are these conservation of mass worksheets aligned to NGSS?
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Yes. Each one shows the NGSS code it covers on its own page, so you can check the alignment yourself rather than taking our word for it.
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