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Four White Powders is a free printable Grade 5 science worksheet on identifying materials by testing their properties, aligned to Common Core standard 5-PS1-3. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 9 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Four White Powders

5-PS1-3

NameDate

Circle the best answer.

1.You have four tests and four unknowns. What is the aim?
  • A.Use every test on one powder
  • B.Find a combination of results unique to each unknown
  • C.Get four fizzes
2.Why must the same amount of each powder be used?
  • A.It does not matter
  • B.So the results can be compared fairly
  • C.To use up the powders
3.What is a property, in this test?
  • A.What it is called
  • B.Where it was bought
  • C.Something the material does that can be observed and compared
4.Two unknowns give identical results on every test you ran. What follows?
  • A.They are definitely different
  • B.You need a new test, or they may be the same material
  • C.The tests were wrong
5.Powder C fizzes with vinegar and the others do not. What is that test good for?
  • A.Separating C from the rest
  • B.Nothing useful
  • C.Identifying all four
6.Two powders both dissolve in water. What does that tell you?
  • A.They are the same substance
  • B.One must be sugar
  • C.Not enough to tell them apart; another test is needed
7.What makes an identification trustworthy?
  • A.Several properties agreeing, tested the same way each time
  • B.One striking result
  • C.A confident guess
8.Why is colour a weak property for identifying these powders?
  • A.Colour cannot be observed
  • B.Colour is not a property
  • C.All four are white, so it separates none of them

LessonPrint · 5-PS1-3 · Set 9 · free to copy for classroom use

Answer key — Four White Powders

Set 9. Prints on its own sheet.

  1. 1.Find a combination of results unique to each unknown
  2. 2.So the results can be compared fairly
  3. 3.Something the material does that can be observed and compared
  4. 4.You need a new test, or they may be the same material
  5. 5.Separating C from the rest
  6. 6.Not enough to tell them apart; another test is needed
  7. 7.Several properties agreeing, tested the same way each time
  8. 8.All four are white, so it separates none of them

More practice for 5-PS1-3

Identify a material by its properties.

Teaching this next? Four White Powders is the 60-minute plan for it, with the misconceptions to expect.

All Grade 5 worksheets

Last reviewed 2026-09-05. Aligned to 5-PS1-3 of the Next Generation Science Standards.