STEM Day Activity Guide
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STEM Day Activity Guide
The paper-towel challenge
A team wants to find out which of three paper towels absorbs the most water. They label the towels A, B and C. For each test, they pour 20 millilitres of water onto a fresh piece of towel, wait 30 seconds, then measure how much water remains. They repeat each test three times. The towel that leaves the least water behind has absorbed the most.
- The towel with 6 millilitres remaining
- The towel with 12 millilitres remaining
- The towel with 18 millilitres remaining
Plan, observe and explain
Imagine the team records these results. The figures show how much water remained after each towel test.
Towel
Test 1
Test 2
Test 3
A
12
11
13
B
7
8
7
C
15
14
16
2 printable pages
Page 1
Page 2
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