Grades 1–3
Measure with a Ruler
Guess and then measure six things in centimeters and find how close each guess was.
Science worksheet · Science tools and lab safety
Lab Safety
Color the six safe choices and put an X on the six unsafe ones, then write the rule you think matters most.
- Grade level
- Grades 1–5
- Time
- About 15 minutes
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Science tools, Measuring, Lab safety
What kids do
Printed on the sheet:
- Color the safe choices. Put an X on the unsafe ones.
- The safety rule I think matters most, and why:
Words on this sheet
totestingroombreaksglassorder
Teacher tip
Post the most-voted rule on the science center wall.
How to use it
- Pass around each real tool before the sheet.
- Practice measuring with rulers and cylinders as a class first.
- Start with a two-minute “I notice, I wonder” talk about the picture on the sheet.
Watch for
Starting a ruler at 1 instead of 0. Show where zero is.
Talk about it
- Which tool would you use to find out how heavy something is?
- What question do you still have?
Take it further
Set up a measurement station with a ruler, a balance and a cylinder.
US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.
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Grades 2–5
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Read the water level in four measuring cylinders in milliliters, then answer three questions.
Grades 1–4
Science Tools
Match a beaker, magnifying glass, ruler, balance, stopwatch and safety goggles to their jobs.
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