Rough or Smooth?
Written by Adi Ackerman, Head Teacher
"Rough or Smooth?" is written for 1st Grade (Ages 6-7), and it covers NGSS 2-PS1-1. That standard sits in the 2nd grade band, so treat this worksheet as an early introduction rather than standards practice for this grade. Material properties are a Grade 2 standard (2-PS1-1); this Grade 1 worksheet introduces it early. If your little one is a year younger but already steady on material properties, the page still works. You may just need to read the instructions out loud. And if they are older and rough or smooth never quite stuck, this is a short review rather than busywork.


Circle the smooth objects and cross out the rough ones, then explain why a doormat is rough. First grade science worksheet on material texture. Part of our rough or smooth material properties collection. Aligned to NGSS standards.
How do I use this worksheet?
Start with something students can look at or think about: a photo, a short video, a jar on the windowsill, or a question like "what do you already know about rough or smooth?" Then let them work through the first item together as a class, then finish the rest independently or with a partner, keeping a word bank or anchor chart in view so the vocabulary stays available. When you review, ask students how they knew, and let them point to the part of the diagram or reading that told them. These rough or smooth worksheets work well as a lead in before an investigation, as a way to capture what students noticed afterward, or as review before an assessment.
What students will practice
- Sort materials as rough or smooth by touch and observation
- Explain how the texture of a surface affects how objects move across it
- Identify one everyday situation where surface texture matters for safety or function
Curriculum Links
Next Generation Science Standards
Science · 1st Grade
That standard sits in the 2nd grade band, so treat this worksheet as an early introduction rather than standards practice for this grade. Material properties are a Grade 2 standard (2-PS1-1); this Grade 1 worksheet introduces it early.
View all 2-PS1-1 worksheets →Find this in the curriculum
Browse the grade, subject, and topic this belongs to.
FAQ
How do I use this rough or smooth worksheet?
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Start with something students can look at or think about: a photo, a short video, a jar on the windowsill, or a question like "what do you already know about rough or smooth?" Then let them work through the first item together as a class, then finish the rest independently or with a partner, keeping a word bank or anchor chart in view so the vocabulary stays available. When you review, ask students how they knew, and let them point to the part of the diagram or reading that told them. These rough or smooth worksheets work well as a lead in before an investigation, as a way to capture what students noticed afterward, or as review before an assessment.
What does this worksheet teach?
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These rough or smooth worksheets for 1st grade give students a clear, visual way to work through one of the big ideas in material properties. Students label diagrams, sort and classify examples, read short explanations, and answer questions that ask them to say why, not just what. Each page keeps the science vocabulary front and center so students leave with the words they need to talk about rough or smooth accurately. Working through rough or smooth on paper gives 1st grade students something concrete to hold onto before, during, or after the hands on part of a lesson.
Can I use this rough or smooth worksheet for homeschool or classroom?
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Yes, both. We made it for 1st Grade material properties, 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 rough or smooth. 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 rough or smooth teach first graders?
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First graders learn that texture is a property of a material's surface that can be felt and described using words like rough, smooth, bumpy, scratchy, or silky. They practice sorting objects by texture and understand that texture is one of several properties used to identify and compare materials.
When do first graders learn about rough or smooth?
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Texture as a material property is typically introduced in Grade 1 during a properties of materials unit. Teachers often create texture boards or bags filled with mystery objects for students to feel and describe.
How can I use these worksheets at home?
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Go on a texture hunt around your home and yard, asking your child to find examples of rough and smooth surfaces. Have them close their eyes and feel objects, then describe the texture before looking.
How many 1st Grade rough or smooth worksheets are there?
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4 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 rough or smooth worksheets for?
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These are written for 1st Grade students, roughly ages 6-7. 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 rough or smooth 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.
Can I use these rough or smooth worksheets for homeschool?
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Yes. Nothing here assumes a classroom of 25, so they work the same one-to-one at the kitchen table as they do in a 1st Grade classroom, a literacy centre, or a tutoring session.
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Worksheet Details
| Grade | 1st Grade |
| Subject | Science |
| Topic | Material Properties |
| Standard | 2-PS1-1 |
| Pages | 1 page |
| Difficulty | Medium |
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