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

LessonPrint · 5-PS1-3 · Set 16 · free to copy for classroom use

Answer key — Four White Powders

Set 16. Prints on its own sheet.

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

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.