Worksheet

Plan Fair Tests

Grade 5 - Science - Challenge Me

NameDate

  1. Research question: Which filter removes more soil from muddy water? What variable should change?

    • filter material
    • brace shape
    • sponge type
    • wheel size

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

    • same craft sticks and glue amount
    • same ramp height and cart body
    • same soil amount and container size
    • same water volume and soaking time

  3. What should students measure during this test: Which paper tower stands tallest?

    • height before tipping
    • distance traveled after leaving the ramp
    • mass held before bending
    • soil temperature in the morning

  4. Which plan is fairest for this question: Which paper tower stands tallest?

    • change only sponge type and soak each sample equally
    • change only the fold pattern and use equal materials
    • change only the cover type and place containers side by side
    • change only wheel size while keeping the ramp height equal

  5. Why repeat trials in a fair test about "Which wheel size helps a cart roll farther?"?

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

  6. Research question: Which bridge brace holds the most mass? What variable should change?

    • wheel size
    • fold pattern
    • brace shape
    • filter material

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

    • same soil amount and container size
    • same craft sticks and glue amount
    • same paper size and tape length
    • same ramp height and cart body

  8. What should students measure during this test: Which wheel size helps a cart roll farther?

    • milliliters absorbed
    • clarity of the filtered water
    • distance traveled after leaving the ramp
    • height before tipping

  9. Which plan is fairest for this question: Which cover keeps soil warmer overnight?

    • change only the fold pattern and use equal materials
    • 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

  10. Why repeat trials in a fair test about "Which filter removes more soil from muddy water?"?

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