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CBSE · Class 6 · Science

Temperature and its Measurement

Standard difficulty · 20 questions · 40 marks

Name: Date: Score: ____ / 40

Show your working for Sections B and C. Answers are on the last page — try every question first!

Section A — Choose the correct answer8 × 1 = 8 marks
1.
Temperature tells us:
  1. how long something is
  2. how fast something moves
  3. how heavy something is
  4. how hot or cold something is
2.
Which thermometer would you use to measure water boiling on a stove?
  1. a laboratory thermometer
  2. a clinical thermometer
  3. a stopwatch
  4. a weighing balance
3.
Using K = °C + 273, 25 °C is about:
  1. 262 K
  2. 248 K
  3. 325 K
  4. 298 K
4.
On a thermometer there are 10 small divisions between 0 °C and 10 °C. What does each small division stand for?
  1. 2 °C
  2. 5 °C
  3. 10 °C
  4. 1 °C
5.
A child's temperature was 39.5 °C on Monday, 41 °C on Tuesday and 37 °C on Wednesday. On which day was the fever highest?
  1. it was the same every day
  2. Monday
  3. Tuesday
  4. Wednesday
6.
The temperature was 22 °C at 7 a.m. and 32 °C at 2 p.m. By how many degrees did it rise?
  1. 12 °C
  2. 10 °C
  3. 54 °C
  4. 32 °C
7.
Which body temperature shows a FEVER?
  1. 37 °C
  2. 36.5 °C
  3. 39 °C
  4. 36.8 °C
8.
Using K = °C + 273, 277 K is about:
  1. 4 °C
  2. 14 °C
  3. 550 °C
  4. 40 °C
Section B — Short answer8 × 2 = 16 marks
9.
What is temperature?
10.
Which thermometer, "clinical" or "laboratory", would you use for (a) the air in a classroom (b) the body temperature of a sick child?
11.
Convert 51 °C to kelvin (K = °C + 273).
12.
Convert 347 K to degrees Celsius (°C = K − 273).
13.
On a thermometer, the space between 50 °C and 60 °C has 5 equal divisions. The liquid is 4 divisions above 50 °C. What is the reading?
14.
The highest temperatures in a week were: Mon 38 °C, Tue 41 °C, Wed 37 °C, Thu 34 °C, Fri 38 °C. What was the difference between the hottest and the coolest day?
15.
At night in Leh it was 3 °C and in Chennai 36 °C. How many degrees warmer was Chennai?
16.
A thermometer shows 100.6° for a person. Is this reading in °C or °F? How do you know?
Section C — Word problems4 × 4 = 16 marks
17.
Describe an activity with three bowls of water to show that touch is not reliable.
18.
A child's fever log at 8 a.m. each day: Day 1: 39 °C, Day 2: 40 °C, Day 3: 39 °C, Day 4: 37 °C. (a) On which day was the fever highest? (b) On which day was the temperature normal? (c) By how much did it fall from Day 2 to Day 4? (d) Which thermometer should be used?
19.
Three cups of water are at 24 °C, 47 °C and 94 °C. (a) Write each in kelvin (K = °C + 273). (b) Which thermometer would you use and why not the other? (c) Write two precautions while measuring.
20.
Which thermometer would you choose to measure (a) a patient's temperature in hospital and (b) the air in a classroom? Give a reason for each and one safety point.
AmbifulWorksheets
Practice that never repeats
CBSE · Class 6 · Science

Answer key

Temperature and its Measurement · AW-6S-TMP-2026-V1 · For parents — fold back or tear off before handing the sheet to your child.

QAnswerWorking
1(d) how hot or cold something is—
2(a) a laboratory thermometer—
3(d) 298 K25 + 273 = 298
4(d) 1 °C10 ÷ 10 = 1
5(c) TuesdayTuesday: 41 °C
6(b) 10 °C32 − 22 = 10
7(c) 39 °Cnormal is about 37 °C
8(a) 4 °C277 − 273 = 4
9A measure of how hot or cold something is.—
10(a) laboratory (b) clinical—
11324 K51 + 273 = 324
1274 °C347 − 273 = 74
1358 °Ceach division = 2 °C; 50 + 4 × 2
147 °C41 − 34 = 7
1533 °C36 − 3 = 33
16°F: 100.6 °C would be far too hot for a living body; normal is 98.6 °F (37 °C).—
17Take hot, cold and lukewarm water in three bowls. Put one hand in hot and one in cold water for a minute, then both in the lukewarm water. The hand from the hot water feels it cold and the other feels it warm, though it is the same water.—
18(a) Day 2 (b) Day 4 (c) 3 °C (d) A clinical (digital) thermometer.—
19(a) 297 K, 320 K, 367 K (b) A laboratory thermometer: a clinical one reads only 35–42 °C and would break in hot water. (c) Keep the bulb in the water without touching the cup; read with the eye level with the liquid.—
20(a) clinical (b) laboratory—