Choosing and writing units in science
Grade 6 Science Worksheet - Building Confidence

Circle the best answer.
Ari labels the mass of a bag of soil. Which symbol stands for kilogram?
- Kg
- kgs
- KG
- kg
Bo writes the time on a stopwatch reading. Which symbol stands for second?
- S
- sc
- s
- sec
Esme marks how much water a cup holds. Which symbol stands for milliliter?
- mL
- mil
- ML
- mLs
Read this first
Use the table
Investigation card (model data). Question: Does a higher ramp make a toy car roll faster? Changed: ramp height. Measured: time to roll 2 m. Same: the car and the ramp.
Ramp height (cm) Time (s) Distance (m) Car mass (g) 10 3.2 2 50 20 2.1 2 50 Tools drawn: ruler, stopwatch, balance.
On the card, a column is headed Time (s). What does the s stand for, Jun?
- Speed
- Steps
- Size
- Seconds
Which column of the results table records a mass, Kira?
- Car mass (g)
- Distance (m)
- Time (s)
- Ramp height (cm)
Which drawn tool measures the numbers in the Time (s) column, Luz?
- The stopwatch
- The ruler
- The balance
A new pencil is about 18 ___ long. Which unit fits the blank, Milo?
- m
- kg
- cm
- km
Noah's water bottle holds about 500 ___ of water. Which unit fits the blank?
- mL
- mm
- km
- L
Pia's math textbook has a mass of about 1 ___. Which unit fits the blank?
- L
- kg
- mg
- g
Which temperature is closest to a comfortable room, Ren?
- 200 °C
- 2 °C
- 68 °C
- 20 °C