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Grade 8 Science Investigations: Data & Claims Worksheet with Answers

Grade 8 (US) · Year 9 (UK) · Class 8 (India) · Science

Unit 6: Going FurtherInvestigationsAdvanced

Reading an experiment's data table and graph: what was changed and measured, the pattern, predictions and whether the evidence supports a claim. This free middle school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Science Investigations: Data & Claims

Grade 8 · Science

Score___ / 12

Name

Class

Date

Learning goal: Investigations

Directions: Read each question and circle the best answer. Use the diagram to help you.

  1. 1

    What was the distance rolled when the ramp height was 30 cm?

    Ramp height(cm)Distance rolled(cm)10302060309040120Ramp height and distance rolled02040608010012010203040Ramp height (cm)
  2. 2

    Which variable did they change on purpose: sunlight, soil, or height?

    Hours ofsunlight (hours)Plant height(cm)02210418626Sunlight and plant growth0510152025300246Hours of sunlight (hours)
    SunlightSoilHeight
  3. 3

    As the ramp height went up, did the distance rolled increase or decrease?

    Ramp height(cm)Distance rolled(cm)10302060309040120Ramp height and distance rolled02040608010012010203040Ramp height (cm)
    IncreaseDecrease
  4. 4

    Which variable did they measure: rope, minutes, or heartbeat?

    Minutes ofskipping (minutes)Heart rate (beatsper minute)070211041506190Exercise and heart rate35701051401752100246Minutes of skipping (minutes)
    RopeMinutesHeartbeat
  5. 5

    Which variable did they measure: distance, height, or car?

    Ramp height(cm)Distance rolled(cm)10302060309040120Ramp height and distance rolled02040608010012010203040Ramp height (cm)
    DistanceHeightCar
  6. 6

    Claim: "As the hours of sunlight goes up, the plant height goes down." Does the evidence support this claim?

    Hours ofsunlight (hours)Plant height(cm)02210418626Sunlight and plant growth0510152025300246Hours of sunlight (hours)
    YesNo
  7. 7

    Claim: "As the distance from the clips goes up, the paper clips picked up goes up." Does the evidence support this claim?

    Distance from theclips (cm)Paper clips pickedup (clips)1122103846Magnet distance and paper clips0510151234Distance from the clips (cm)
    YesNo
  8. 8

    Which variable did they measure: distance, height, or car?

    Ramp height(cm)Distance rolled(cm)1050201003015040200Ramp height and distance rolled0357010514017521010203040Ramp height (cm)
    DistanceHeightCar
  9. 9

    Claim: "As the minutes of skipping goes up, the heart rate goes up." Does the evidence support this claim?

    Minutes ofskipping (minutes)Heart rate (beatsper minute)070210041306160Exercise and heart rate3060901201501800246Minutes of skipping (minutes)
    YesNo
  10. 10

    Claim: "As the hours of sunlight goes up, the plant height goes down." Does the evidence support this claim?

    Hours ofsunlight (hours)Plant height(cm)0226410614Sunlight and plant growth0510150246Hours of sunlight (hours)
    YesNo
  11. 11

    Claim: "As the minutes of skipping goes up, the heart rate goes down." Does the evidence support this claim?

    Minutes ofskipping (minutes)Heart rate (beatsper minute)070210041306160Exercise and heart rate3060901201501800246Minutes of skipping (minutes)
    YesNo
  12. 12

    Which variable did they change on purpose: car, distance, or height?

    Ramp height(cm)Distance rolled(cm)104020803012040160Ramp height and distance rolled030609012015018010203040Ramp height (cm)
    CarDistanceHeight

★ Challenge corner for fast finishers

Why does your breath make fog on a cold window?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/8/science_investigations

Answer key (click to show)
  1. 1.90 cm
  2. 2.sunlight
  3. 3.increase
  4. 4.heartbeat
  5. 5.distance
  6. 6.no
  7. 7.no
  8. 8.distance
  9. 9.yes
  10. 10.no
  11. 11.no
  12. 12.height
  13. ★water vapor in your breath condenses on the cold glass (challenge corner)

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