How Yeast Makes Bread Dough Rise, Read and Answer
Written by Adi Ackerman, Head Teacher
"How Yeast Makes Bread Dough Rise, Read and Answer" is written for 5th Grade (Ages 10-11), and it covers NGSS 5-PS1-4. 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 physical and chemical changes never quite stuck, this is a short review rather than busywork.
2 pages in this set
5th grade science worksheet: read how yeast breaks down sugar into carbon dioxide bubbles that raise Sam's bread dough. Answer key included. Part of our physical and chemical changes matter collection. Aligned to NGSS standards.
How do I use this worksheet?
Mix a spoon of baking soda with vinegar and let your child name the sign of a new substance. Then freeze juice into a pop and ask whether it is still juice. Use the answer key to check the sort pages.
What students will practice
- Students will tell whether a change makes a new substance or keeps the same one.
- Students will use the four signs of a chemical change to sort everyday changes.
- Students will order the steps as water changes from snow to a liquid to water vapor.
Curriculum Links
Next Generation Science Standards
Science · 5th Grade
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Browse the grade, subject, and topic this belongs to.
FAQ
How do I use this physical and chemical changes worksheet?
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Mix a spoon of baking soda with vinegar and let your child name the sign of a new substance. Then freeze juice into a pop and ask whether it is still juice. Use the answer key to check the sort pages.
What does this worksheet teach?
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Read how yeast breaks down sugar into carbon dioxide bubbles that raise Sam's bread dough. Bread dough is a soft, stretchy mix of flour and water. The directions on the page read: Read the passage. 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 physical and chemical changes 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 physical and chemical changes. In class it runs well as independent work while you pull a small group. Print one copy or thirty, whichever the day needs.
What is the difference between a physical and a chemical change?
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A physical change changes only the size, shape or state of a material, so it is still the same substance, like ice melting into water. A chemical change makes a new substance, like iron turning into rust.
What are the signs of a chemical change?
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Scientists look for four signs: bubbles of gas, a new color, a new smell, and light or heat given off. A sign is only a clue, so they check more than one before deciding a new substance has formed.
Is melting or evaporating a chemical change?
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No. When snow melts or a puddle evaporates, the water changes state but is still water. One sheet has students order these steps and explain that the white cloud over a boiling pot is drops of liquid water.
Is there an answer key for each worksheet?
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Yes. All five physical and chemical changes sheets have an answer key, with sample answers for the questions children answer in their own words.
How many 5th Grade physical and chemical changes worksheets are there?
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5 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 physical and chemical changes 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 physical and chemical changes 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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