Observations, inferences and reading data

Grade 6 Science Worksheet

Circle the best answer.

2. 1.

   Bo left a glass of ice water on the desk and graphed its temperature. What trend does the graph show?

   • The water cooled down over time
   • The water will soon reach 100 °C
   • The temperature stayed the same
   • The water warmed up over time
3. 2.

   Using the same graph, when was the water 10 °C, by Esme's reading?

   Use the picture in question 1.

   • At 20 minutes
   • At 10 minutes
   • At 0 minutes
   • At 30 minutes
4. 3.

   Jun measured the shadow of a stick in the schoolyard during the morning. What trend does the graph show?

   • The shadow got longer toward noon
   • The shadow got shorter toward noon
   • The shadow stayed 120 cm through the morning
   • The shadow will be 0 cm at 1 p.m.

5. Read this first

   Plant heights (model data)

   Plant 1	Plant 2	Plant 3	Plant 4
   10 cm	12 cm	11 cm	15 cm

6. 4.

   Kira's four bean plants are 10, 12, 11 and 15 cm tall. What is their mean height?

   • 15 cm, the tallest plant
   • 48 cm
   • 12 cm
   • 11.5 cm

7. Daily rainfall (model data)

   Day 1	Day 2	Day 3	Day 4	Day 5
   4 mm	0 mm	12 mm	6 mm	3 mm

8. 5.

   Luz's rain gauge read 4, 0, 12, 6 and 3 mm on five days. What is the mean daily rainfall?

   • 25 mm
   • 12 mm
   • 6.25 mm, leaving out the 0 mm day
   • 5 mm

9. Bounce height (model data)

   Trial 1	Trial 2	Trial 3
   40 cm	42 cm	44 cm

10. 6.

    Milo drops a ball from 1 m three times. It bounces 40, 42 and 44 cm. What is the mean bounce height?

    • 42 cm
    • 44 cm, the highest bounce
    • 4 cm
    • 126 cm
11. 7.

    a line graph, a single bar, a pie chart and a word list. Noah records the outdoor temperature every hour for one day. Which display fits best?

    • A pie chart of the hours in the day
    • A list of the colors of the sky
    • A line graph, to show change over time
    • A bar graph with one bar for the whole day
12. 8.

    Pia compares how many paper clips four different magnets pick up. Which display fits best?

    • A line graph of the time of day
    • A drawing of the magnets with no numbers
    • A line graph joining the four magnets
    • A bar graph, one bar per magnet
13. 9.

    Tala finds the ice in a lunch cooler has melted, and the lid was left open. Which is the best inference?

    • Ice in any cooler melts within an hour
    • Warm air got in through the open lid and melted the ice
    • The lid was left open
    • The ice in the cooler melted

14. Puddle width (model data)

    Time	Width
    9 a.m.	80 cm
    10:30 a.m.	50 cm
    noon	20 cm

15. 10.

    On a sunny day, a puddle measured 80 cm wide at 9 a.m., 50 cm at 10:30 and 20 cm at noon. Which is Ari's best inference?

    • The puddle got smaller
    • The water is evaporating in the sun's warmth
    • The puddle will grow back tomorrow
    • The puddle got bigger as the day went on