Worksheet

Plan Fair Tests

Grade 5 - Science - Building Confidence

NameDate

  1. Research question: Which wheel size helps a cart roll farther? What variable should change?

    • sponge type
    • filter material
    • wheel size
    • cover type

  2. What should stay the same for this fair test: Which paper tower stands tallest?

    • same soil amount and container size
    • same amount of muddy water
    • same water volume and soaking time
    • same paper size and tape length

  3. What should students measure during this test: Which cover keeps soil warmer overnight?

    • soil temperature in the morning
    • height before tipping
    • distance traveled after leaving the ramp
    • milliliters absorbed

  4. Which plan is fairest for this question: Which sponge absorbs the most water?

    • change only sponge type and soak each sample equally
    • change only wheel size while keeping the ramp height equal
    • change only the cover type and place containers side by side
    • change only the brace shape and test the same load steps

  5. Why repeat trials in a fair test about "Which bridge brace holds the most mass?"?

    • repetition replaces measurement
    • repeated data makes the result more reliable
    • trials should all change different variables
    • one guess is stronger than data

  6. Research question: Which sponge absorbs the most water? What variable should change?

    • wheel size
    • brace shape
    • sponge type
    • cover type

  7. What should stay the same for this fair test: Which wheel size helps a cart roll farther?

    • same soil amount and container size
    • same paper size and tape length
    • same ramp height and cart body
    • same water volume and soaking time

  8. What should students measure during this test: Which sponge absorbs the most water?

    • soil temperature in the morning
    • distance traveled after leaving the ramp
    • clarity of the filtered water
    • milliliters absorbed

  9. Which plan is fairest for this question: Which wheel size helps a cart roll farther?

    • change only wheel size while keeping the ramp height equal
    • change only the filter material and keep the water amount the same
    • change only the cover type and place containers side by side
    • change only the fold pattern and use equal materials

  10. Why repeat trials in a fair test about "Which sponge absorbs the most water?"?

    • repetition replaces measurement
    • trials should all change different variables
    • repeated data makes the result more reliable
    • one guess is stronger than data
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