Choosing and writing units in science

Grade 6 Science Worksheet - Challenge Me

Circle the best answer.

1. 1.

   Ari labels a bag of soil for the school garden. Which label follows NIST's rules for writing units?

   • 25 kg
   • 25kg
   • 25 kgs
   • 25 Kg
2. 2.

   A juice bottle holds one and a half liters. Which label follows NIST's rules, Esme?

   • 1.5 Ls
   • 1.5 L
   • 1.5L
   • 1.5 ltr

3. Read this first

   Desk measurements, model data

   thing measured	value
   pencil length	18 m
   book mass	900 g
   water bottle	500 mL
   walk to school	12 min

4. 3.

   One value in Jun's table has the wrong unit. Which one?

   • Walk to school: 12 min
   • Water bottle: 500 mL
   • Pencil length: 18 m
   • Book mass: 900 g

5. Pet and home measurements, model data

   thing measured	value
   door height	2 m
   cat mass	4 g
   juice box	200 mL
   recess	15 min

6. 4.

   One value in Kira's pet-and-home table has the wrong unit. Which one?

   • Cat mass: 4 g
   • Recess: 15 min
   • Juice box: 200 mL
   • Door height: 2 m

7. Weekend measurements, model data

   thing measured	value
   hallway length	40 m
   apple mass	150 g
   bike ride to the park	3 cm
   bathtub water	150 L

8. 5.

   One value in Luz's weekend table has the wrong unit. Which one?

   • Hallway length: 40 m
   • Bike ride to the park: 3 cm
   • Apple mass: 150 g
   • Bathtub water: 150 L
9. 6.

   A toy car rolls 3 m in 2 s. Milo divides the distance by the time. Which unit fits the car's speed?

   • m/s
   • m/s²
   • s/m
   • m
10. 7.

    A sled's speed grows by 2 m/s every second. Which unit fits that change in speed, Noah?

    • m/s
    • km/h
    • m·s
    • m/s²
11. 8.

    Ren's friend says 30 °C is freezing weather. Agree or disagree?

    • Agree: 30 is near 32, the freezing point
    • Disagree: 30 °C is room temperature
    • Disagree: 30 °C is a hot day
    • Agree: water freezes near 30 °C
12. 9.

    NIST lists the Sun's surface at about 5,600 °C and 10,100 °F. Why are the two numbers different, Tala?

    • One number is a mistake
    • They are one temperature on two scales
    • The Sun has two different surfaces
    • °F is a hotter kind of degree
13. 10.

    A pool thermometer reads 28, with no scale printed. For a pool that feels warm, which scale makes sense, Zee?

    • °F: 28 °F is warm water
    • K: 28 K is warm water
    • Either: 28 is warm on both scales
    • °C: 28 °C is warm water