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Grade 8 · Chemistry · three levels

Grade 8 Analytical chemistry worksheet in three levels

The same 20-question worksheet on analytical chemistry in Support, Core and Challenge versions. Question by question, each version keeps the topic and changes the difficulty.

All three levels PDFAll three answer keysOriginal worksheet

Compare the three levels

Support

Easier questions on the same topics, for students who need more practice with the basics.

Questions
20 (20 medium)
Grade range
Grades 8 to 11
Topics
Analytical chemistry

Sample questions

  1. A model solution contains 23 g solute and 139 g solvent. Find the solute mass percentage. Round to 3 decimal places if needed. Answer in %.
  2. A model solution contains 54 g solute and 70 g solvent. Find the solute mass percentage. Round to 3 decimal places if needed. Answer in %.
  3. A model solution contains 1 g solute and 367 g solvent. Find the solute mass percentage. Round to 3 decimal places if needed. Answer in %.

Core

Questions at the expected level for the grade.

Questions
20 (20 medium)
Grade range
Grades 8 to 11
Topics
Analytical chemistry

Sample questions

  1. A model solution contains 3 g solute and 486 g solvent. Find the solute mass percentage. Round to 3 decimal places if needed. Answer in %.
  2. A model solution contains 37 g solute and 332 g solvent. Find the solute mass percentage. Round to 3 decimal places if needed. Answer in %.
  3. A model solution contains 55 g solute and 303 g solvent. Find the solute mass percentage. Round to 3 decimal places if needed. Answer in %.

Challenge

Harder questions on the same topics, for students who are ready to stretch.

Questions
20 (20 challenge)
Grade range
Grades 9 to 12
Topics
Analytical chemistry

Sample questions

  1. A 260 g sample is 96% desired substance by mass. Find the desired substance mass. Round to 3 decimal places if needed. Answer in g.
  2. A 67 g sample is 24% desired substance by mass. Find the desired substance mass. Round to 3 decimal places if needed. Answer in g.
  3. A 86 g sample is 38% desired substance by mass. Find the desired substance mass. Round to 3 decimal places if needed. Answer in g.

Using the three versions

  • Start everyone with the same short explanation, then hand out Support, Core or Challenge.
  • Question numbers line up across the versions, so you can go through the answers with the whole class.
  • The PDF has a cover page and each version on its own pages; the answer keys PDF has all three keys.

See the original worksheet or browse more three-level worksheets.